[jupyter] PY-85570 Jupyter: refactor Debuger

Merge-request: IJ-MR-182197
Merged-by: Nikita Ashihmin <Nikita.Ashihmin@jetbrains.com>

GitOrigin-RevId: 8ffafbef27f10a733e98a261c7cdddb75636b07e

notebooks/visualization/src/com/intellij/notebooks/visualization/NotebookCellLines.kt

@@ -29,7 +29,6 @@ interface NotebookCellLines {
     NO(false, false),
     TOP(true, false),
     BOTTOM(false, true),
-    TOP_AND_BOTTOM(true, true)
   }
 
   data class Interval(
@@ -103,7 +102,6 @@ interface NotebookCellLines {
     }
 
     fun getContentText(file: VirtualFile): String {
-
       val document = FileDocumentManager.getInstance().getDocument(file)!!
       return getContentText(document).toString()
     }

notebooks/visualization/src/com/intellij/notebooks/visualization/context/NotebookDataContext.kt

@@ -18,8 +18,10 @@ object NotebookDataContext {
 
   val DataContext.notebookEditor: EditorImpl?
     get() {
-      val component = getData(PlatformCoreDataKeys.CONTEXT_COMPONENT)
       val editor = getData(PlatformCoreDataKeys.EDITOR)
+      if (editor is EditorImpl && NotebookCellLines.hasSupport(editor))
+        return editor
+      val component = getData(PlatformCoreDataKeys.CONTEXT_COMPONENT)
       val noteEditor = NotebookDataContextUtils.getCurrentEditor(editor, component) ?: return null
       if (NotebookDataContextUtils.hasFocusedSearchReplaceComponent(noteEditor, component))
         return null