Fixing override of relations editor bug

[VitorVieiraZ]

Fixing check for whether FormItem::name has nogallery flag in the form's label name in Relation Editor widget type.

Fixes #3452

[github-actions[bot]]

Pull Request Test Coverage Report for Build 9223769254

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage decreased (-0.008%) to 59.898%

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Files with Coverage Reduction	New Missed Lines	%
input/app/attributes/attributecontroller.cpp	1	77.37%
<!--	Total:	1		-->

Totals
Change from base Build 9209557888:	-0.008%
Covered Lines:	7661
Relevant Lines:	12790

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💛 - Coveralls

[tomasMizera]

As regards to the fix itself, I tested it and it looks all good :)