MPS-26434 run in EDT failure: com.intellij.openapi.fileEditor.FileEdi…

…torState$$Lambda$556/1828770593 cannot be cast to jetbrains.mps.ide.editor.MPSEditorStateWrapper

workbench/mps-editor/source/jetbrains/mps/ide/editor/MPSFileNodeEditor.java

@@ -181,7 +181,7 @@ public MPSEditorStateWrapper getState(@NotNull final FileEditorStateLevel level)
 
   @Override
   public void setState(final @NotNull FileEditorState state) {
-    if (myNodeEditor == null) {
+    if (myNodeEditor == null || !(state instanceof MPSEditorStateWrapper)) {
       return;
     }
     final MPSEditorStateWrapper wrapper = (MPSEditorStateWrapper) state;