fix: collapseGroups does not move attributes atomically#1930

Merged

SethFalco merged 5 commits intosvg:mainfrom

johnkenny54:collapseGroups

Jan 7, 2024

Commits on Jan 5, 2024

Commits on Jan 6, 2024

Commits on Jan 7, 2024

Copy attributes while verifying that they can all be merged.
johnkenny54
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