Fix: Exception in tree view code in new case
This isn't a problem in 3.0 or master, but I'm porting the spreadsheet data set region to a tree view and ran into this. This line needs to whether the function is empty before calling it. Differential Revision: https://developer.blender.org/D13197
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@ -546,7 +546,7 @@ uiButTreeRow *AbstractTreeViewItem::tree_row_button()
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void AbstractTreeViewItem::change_state_delayed()
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{
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if (is_active_fn_()) {
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if (is_active_fn_ && is_active_fn_()) {
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activate();
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}
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}
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