Fix MPS-19497 Assertion error on undo "Paste as java class content" action
DynamicReference cache their last successful target node
Fix MPS-19484 [build:MPS-129.488] User's action execute method failed. Action:PasteAsJavaMethods
Fix MPS-19457 "Move" refactoring is broken
Our MoveRefactoringHandler is now applicable in project pane as well (not only editor)
Part of fix MPS-19457 "Move" refactoring is broken
Tree chooser in plugin would never return an element
Part of fix MPS-19457 "Move" refactoring is broken
Taking list of selected nodes instead if single node (which is always null)
Part of fix MPS-19457 "Move" refactoring is broken Fix exception after moving nodes out of per-root persisted model in plugin