Fix warning messages for promoting labels and milestones
What does this MR do?
Fixes the warning messages for then labels and milestones get promoted
Screenshots (if relevant)
Labels
Milestones
Does this MR meet the acceptance criteria?
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Changelog entry added, if necessary -
Tests added for this feature/bug - Review
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Has been reviewed by UX -
Has been reviewed by Frontend
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Conform by the merge request performance guides -
Conform by the style guides -
Squashed related commits together -
Internationalization required/considered
What are the relevant issue numbers?
closes #42900 (closed)
Edited by Taurie Davis