CustomItems and MER Spawn compatibility issues

[DinoNuggets2]

Describe the bug
When trying to spawn a gun with a limited amount of ammo (sniper rifle for example) in a MER Locker, it gives it the normal amount of ammo

To Reproduce
Steps to reproduce the behavior:

1. Spawn a GunLocker with MER
2. Make a Sniper Rifle spawn inside
3. Take the rifle out and check the ammo

Expected behavior
Expected to have limited ammo, instead of a full magazine

Server logs
Please include a pastebin of your localadmin log file (or both MA_log and SCP_log files if you use MultiAdmin) from the time in which the bug occurred
https://pastebin.com/Xm54HeKh

EXILED Version ("latest" is not a version):
5.2.2

Results of show plugins command in console:
Enabled plugins: 34
Disabled plugins: 4

 Exiled.Events:
 - Author: Exiled Team
 - Version: 5.2.2.0
 - Required Exiled Version: 5.2.2.0
 - Prefix: exiled_events
 - Priority: Highest
 CedMod:
 - Author: ced777ric#8321
 - Version: 3.1.3
 - Required Exiled Version: 5.0.0
 - Prefix: cm
 - Priority: Highest
 AudioPlayer:
 - Author: Jesus-QC
 - Version: 1.1.0
 - Required Exiled Version: 5.2.2
 - Prefix: audio_player
 - Priority: High
 AudioAnnouncements:
 - Author: Heisenberg3666
 - Version: 1.0.0.0
 - Required Exiled Version: 5.2.0
 - Prefix: audio_announcements
 - Priority: Medium
 Spectator Shooting Range:
 - Author: rayzer
 - Version: 3.0.1
 - Required Exiled Version: 5.2.1
 - Prefix: spectator_shooting_range
 - Priority: Medium
 CustomItems:
 - Author: Exiled Team
 - Version: 6.1.2.0
 - Required Exiled Version: 5.0.0
 - Prefix: custom_items
 - Priority: Medium
 Exiled.CreditTags:
 - Author: Babyboucher20 & iRebbok & Exiled Team
 - Version: 5.2.2.0
 - Required Exiled Version: 5.2.2.0
 - Prefix: exiled_credits
 - Priority: Medium
 MapEditorReborn:
 - Author: Michal78900 (original idea by Killers0992)
 - Version: 2.0.3
 - Required Exiled Version: 5.3.0
 - Prefix: map_editor_reborn
 - Priority: Medium
 TeamGenocide:
 - Disabled
 - Author: Heisenberg3666
 - Version: 2.1.4.0
 - Required Exiled Version: 5.2.2
 - Prefix: team_genocide
 - Priority: Medium
 hats:
 - Author: Rowpann SCP
 - Version: 1.0.0
 - Required Exiled Version: 5.2.0
 - Prefix: hats
 - Priority: Medium
 UIURescueSquad:
 - Author: JesusQC, Michal78900, maintained by Marco15453
 - Version: 3.3.0
 - Required Exiled Version: 5.3.0
 - Prefix: UIURescueSquad
 - Priority: Medium
 Push:
 - Author: Push
 - Version: 1.0.0.0
 - Required Exiled Version: 5.2.2.0
 - Prefix: push
 - Priority: Medium
 VendingMachine:
 - Author: moddedmcplayer
 - Version: 1.0.0
 - Required Exiled Version: 5.2.1
 - Prefix: vending_machine
 - Priority: Medium
 Scp035:
 - Author: Joker119
 - Version: 4.0.3
 - Required Exiled Version: 5.0.0
 - Prefix: Scp035
 - Priority: Medium
 Walnut Fucking Explodes (PFE Remake):
 - Author: XoMiya-WPC
 - Version: 1.0.0
 - Required Exiled Version: 5.3.0
 - Prefix: WalnutFuckingExplodes
 - Priority: Medium
 SCP1162:
 - Author: xRoier
 - Version: 5.0.0
 - Required Exiled Version: 5.0.0
 - Prefix: scp1162
 - Priority: Medium
 Advanced Subclassing Redux:
 - Author: Steven4547466
 - Version: 1.0.0
 - Required Exiled Version: 5.0.0.0
 - Prefix: ASR
 - Priority: Medium
 SupplyDrop:
 - Author: Wafel, KadeDev, JesusQC
 - Version: 3.3.0
 - Required Exiled Version: 5.0.0
 - Prefix: SD
 - Priority: Medium
 Exiled.CustomRoles:
 - Author: Exiled Team
 - Version: 5.2.2.0
 - Required Exiled Version: 5.2.2.0
 - Prefix: exiled_custom_roles
 - Priority: Medium
 MidnightDefense:
 - Author: KuebV
 - Version: 1.3.0
 - Required Exiled Version: 5.2.2.0
 - Prefix: midnight_defense
 - Priority: Medium
 SCP-575:
 - Disabled
 - Author: Joker119
 - Version: 4.0.0
 - Required Exiled Version: 5.0.0
 - Prefix: 575
 - Priority: Medium
 DiscordIntegration:
 - Disabled
 - Author: DiscordIntegration
 - Version: 6.0.4.0
 - Required Exiled Version: 5.2.0
 - Prefix: discord_integration
 - Priority: Medium
 LightsRE:
 - Author: Beryl - (Contributors: BuildBoy12)
 - Version: 5.0.0
 - Required Exiled Version: 5.1.2
 - Prefix: lights
 - Priority: Medium
 Exiled.Updater:
 - Disabled
 - Author: Exiled.Updater
 - Version: 3.1.1.0
 - Required Exiled Version: 5.2.2.0
 - Prefix: exiled_updater
 - Priority: Medium
 OmegaWarhead:
 - Author: ClaudioPanConQueso
 - Version: 1.0.8
 - Required Exiled Version: 5.2.1
 - Prefix: OmegaWarhead
 - Priority: Medium
 WaitAndChillReborn:
 - Author: Michal78900
 - Version: 5.0.1
 - Required Exiled Version: 5.2.1
 - Prefix: wait_and_chill_reborn
 - Priority: Medium
 LeftHandedPlayers:
 - Author: TemmieGamerGuy
 - Version: 1.0.1
 - Required Exiled Version: 3.0.0
 - Prefix: left_handed_players
 - Priority: Medium
 Admin Tools:
 - Author: Originally by Galaxy119. Modifications by KoukoCocoa & Thomasjosif
 - Version: 5.1.0.0
 - Required Exiled Version: 5.1.0
 - Prefix: AT
 - Priority: Medium
 RespawnTimer:
 - Author: Michal78900
 - Version: 3.1.0
 - Required Exiled Version: 5.0.0
 - Prefix: respawn_timer
 - Priority: Medium
 Common Utilities:
 - Author: Joker119
 - Version: 6.2.0.0
 - Required Exiled Version: 5.2.1
 - Prefix: CommonUtilities
 - Priority: Medium
 KillMessage:
 - Author: GabiRP
 - Version: 1.0.7
 - Required Exiled Version: 5.0.0
 - Prefix: kill_message
 - Priority: Medium
 Exiled.CustomItems:
 - Author: Exiled Team
 - Version: 5.2.2.0
 - Required Exiled Version: 5.2.2.0
 - Prefix: exiled_custom_items
 - Priority: Medium
 Exiled.Permissions:
 - Author: Exiled Team
 - Version: 5.2.2.0
 - Required Exiled Version: 5.2.2.0
 - Prefix: exiled_permissions
 - Priority: Medium
 LogArchiver:
 - Author: Galaxy119
 - Version: 1.0.0
 - Required Exiled Version: 2.1.18
 - Prefix: LogArchiver
 - Priority: Medium
 AntiStalker:
 - Author: Heisenberg3666
 - Version: 1.0.0.0
 - Required Exiled Version: 5.1.3
 - Prefix: anti_stalker
 - Priority: Medium
 SummonRespawnVehicles:
 - Author: 
 - Version: 1.0.0.0
 - Required Exiled Version: 5.2.2.0
 - Prefix: summon_respawn_vehicles
 - Priority: Medium
 WarheadCustomColor:
 - Author: 
 - Version: 1.0.0.0
 - Required Exiled Version: 5.2.2.0
 - Prefix: warhead_custom_color
 - Priority: Lowest
 Smelly096:
 - Author: x3rt
 - Version: 1.0.0
 - Required Exiled Version: 3.0.0
 - Prefix: smelly096
 - Priority: Lowest

Additional context