Fix multiple selection

[rewin123]

#204

[naomijub]

Will take a look after lunch

[rewin123]

Will take a look after lunch

Thanks!

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 49 lines in your changes are missing coverage. Please review.

❗ No coverage uploaded for pull request base (main@b9335ae). Click here to learn what that means.

Files	Patch %	Lines
crates/editor_ui/src/tools/gizmo.rs	0.00%	49 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #214   +/-   ##
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  Coverage        ?   12.69%           
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  Files           ?       54           
  Lines           ?     7112           
  Branches        ?        0           
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  Hits            ?      903           
  Misses          ?     6209           
  Partials        ?        0           

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[naomijub]

Seems to be working, but there is a visual issue that annoys me, when you select holding shift, I can only see the main gizmos, I would include a wireframe on multi selected elements

[rewin123]

several lines running from the central gizmo to the centres of all selected objects?

[rewin123]