Add further view tests for admin interface and fix access control issues detected by this

changed milestone to %KIF 51,0

added bug label

requested review from @ngeisler

added 2 commits

• 6789d0c7 - 1 commit from branch main
• e1ef6860 - Add further view tests for admin interface and fix access control issues detected by this

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approved this merge request

mentioned in commit 31c2fe19

merged