Improving UX by hiding editing buttons for readers of a project

[VitorVieiraZ]

While in Reader role, editing buttons are no longer visible to user. These buttons include:

Main Add button and the one within the features list.
Add feature button and its variations.
Edit feature button and its variations.
Edit geometry button.

Reader	Other Roles

Resolves #3174

[github-actions]

Pull Request Test Coverage Report for Build 12256026569

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 180 unchanged lines in 3 files lost coverage.
• Overall coverage increased (+0.04%) to 60.392%

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Files with Coverage Reduction	New Missed Lines	%
input/core/merginprojectmetadata.cpp	3	88.64%
input/app/activeproject.cpp	65	69.45%
input/core/merginapi.cpp	112	78.08%

Totals
Change from base Build 12135499446:	0.04%
Covered Lines:	7918
Relevant Lines:	13111

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💛 - Coveralls