* add newElement to appState
* freedraw should not be an editing element
* do not set editing element for freedraw and generic
* remove ununsed `appState.draggingElement`
* remove setting dragged for new linear element
* decouple selection element from new element
* fix hint for text bindables
* update snapshot
* fixes
* fix frame regressions
* add comments to types
* document `editingElement`
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Co-authored-by: dwelle <5153846+dwelle@users.noreply.github.com>
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