Charles Hacskaylo dbed9262c0
Tree revert refactor (#3886)
* Reverts object tree to expand/collapse tree model
* Retains expanded/collapsed state 
* Adds collapse all feature
2021-06-01 15:47:21 -07:00
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2021-06-01 15:47:21 -07:00
2021-05-28 14:51:29 -07:00
2021-03-29 09:56:52 -07:00