UI: user must specify the start of guest vlan range for advanced zone

[weizhouapache]

Description

This PR fixes#6727

The start of guest vlan range is a must.
if end is not set, the vlan range is start-start
otherwise, the vlan range is start-end

Types of changes

• Breaking change (fix or feature that would cause existing functionality to change)
• New feature (non-breaking change which adds functionality)
• Bug fix (non-breaking change which fixes an issue)
• Enhancement (improves an existing feature and functionality)
• Cleanup (Code refactoring and cleanup, that may add test cases)

Feature/Enhancement Scale or Bug Severity

Feature/Enhancement Scale

• Major
• Minor

Bug Severity

• BLOCKER
• Critical
• Major
• Minor
• Trivial

Screenshots (if appropriate):

Start and end are not set.

Start is set

wrong range

correct range

How Has This Been Tested?

[codecov]

Codecov Report

Merging #7038 (d8cdbde) into 4.17 (d5f0100) will increase coverage by 0.00%.
The diff coverage is n/a.

@@ Coverage Diff @@## 4.17 #7038 +/- ##
=========================================
Coverage 10.36% 10.36% - Complexity 6630 6631 +1 
=========================================
Files 2453 2453 Lines 242386 242386 Branches 37928 37928 =========================================
+ Hits 25120 25129 +9 + Misses 214158 214148 -10 - Partials 3108 3109 +1 

Impacted Files	Coverage Δ
...rg/apache/cloudstack/quota/QuotaStatementImpl.java	40.26% <0.00%> (+3.98%)	⬆️

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[DaanHoogland]

clgtm

[DaanHoogland]

@blueorangutan ui

[blueorangutan]

@DaanHoogland a Jenkins job has been kicked to build UI QA env. I'll keep you posted as I make progress.

[blueorangutan]

UI build: ✔️
Live QA URL: https://qa.cloudstack.cloud/simulator/pr/7038 (QA-JID-24)