fix(workflowengine): Fix multiple UI issues in workflow engine admin settings

[nickvergessen]

• Resolves: UI glitch in workflowengine admin settings #38165

Summary

• Placeholder of comparison is visible glitching out of the old NcMultiselect => Migrated to NcSelect
• X button has no title/aria label and wraps to new line
• Add new filter option was not translated

Before	After

Checklist

• Code is properly formatted
• Sign-off message is added to all commits
• Tests (unit, integration, api and/or acceptance) are included
• Screenshots before/after for front-end changes
• Documentation (manuals or wiki) has been updated or is not required
• Backports requested where applicable (ex: critical bugfixes)

[nickvergessen]

/backport c20fd9f to stable26

[nickvergessen]

Input height is not aligned with NcSelect

Yeah can be fixed by migrating the inputs to NcTextField but I don't feel comfortable doing that skill wise (due to the v-model, etc that's necessary).

One NcMultiSelect is left there

Will have a look

[Antreesy]

can be fixed by migrating the inputs to NcTextField

Well, NcTextField is 44px high, which is still not enough. But I could take a look afterwards

[nickvergessen]

Fixed all the other NcMultiselect components in workflowengine

[szaimen]

Thanks Joas for tackling this! As far as I can see is now only one component not migrated yet:

[nickvergessen]

Cool, didn't even check that. I wanted to fix 1 component, ended up fixing a tone, and only 1 is left. That's a great outcome :P