Fix milestone delete button showing for all users
What does this MR do?
Fixes the delete milestone button showing up
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 Frontend -
Has been reviewed by Backend
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Conform by the merge request performance guides -
Conform by the style guides -
Squashed related commits together
What are the relevant issue numbers?
closes #43778