[FIX] Fix triggerWords splitting on creating Outgoing WebHook

[kto2038]

Proposed changes

Remove superfluous spaces in triggerWords.

Issue(s)

Closes #17820

On editing Outgoing WebHook, #17820 was fixed by #17830 .
On creating Outgoing WebHook, #17820 isn't fixed yet.

How to test or reproduce

See #17820

Screenshots

Types of changes

• Bugfix (non-breaking change which fixes an issue)
• Improvement (non-breaking change which improves a current function)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Hotfix (a major bugfix that has to be merged asap)
• Documentation Update (if none of the other choices apply)

Checklist

• I have read the CONTRIBUTING doc
• I have signed the CLA
• Lint and unit tests pass locally with my changes
• I have added tests that prove my fix is effective or that my feature works (if applicable)
• I have added necessary documentation (if applicable)
• Any dependent changes have been merged and published in downstream modules

Changelog

Remove spaces between the trigger words (;) when creating the outgoing webhook.

Further comments

[CLAassistant]

All committers have signed the CLA.