#7019: Fix "Selecting one of multiple forms in a Render Document selects all of them"

[fregante]

What does this PR do?

• Fixes Selecting one of multiple forms in a Render Document selects all of them #7019

Note that this does not affect mods created before this change

Demo

Checklist

• Add tests
• Designate a primary reviewer: @grahamlangford

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (e1b8620) 72.69% compared to head (2d7b068) 72.71%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #7563      +/-   ##
==========================================
+ Coverage   72.69%   72.71%   +0.01%     
==========================================
  Files        1220     1220              
  Lines       38111    38111              
  Branches     7168     7168              
==========================================
+ Hits        27706    27711       +5     
+ Misses      10405    10400       -5     

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[github-actions]

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[twschiller]

Note that this does not affect mods created before this change

The workaround for mod components created before the change is to save them an re-open them in the Page Editor. It will then re-add new instanceIds to all bricks