Revert "☝️ Update deprecated code (#136)"

This reverts commit d62f15d889.

lib/widgets/raw_editor.dart

@@ -1029,7 +1029,7 @@ class RawEditorState extends EditorState
   }
 
   @override
-  void hideToolbar([bool hideHandles = true]) {
+  void hideToolbar() {
     if (getSelectionOverlay()?.toolbar != null) {
       getSelectionOverlay()?.hideToolbar();
     }
@@ -1131,10 +1131,6 @@ class RawEditorState extends EditorState
       closeConnectionIfNeeded();
     }
   }
-
-  @override
-  void userUpdateTextEditingValue(
-      TextEditingValue value, SelectionChangedCause cause) {}
 }
 
 class _Editor extends MultiChildRenderObjectWidget {

lib/widgets/text_selection.dart

@@ -155,12 +155,8 @@ class EditorTextSelectionOverlay {
       default:
         throw 'Invalid position';
     }
-
-    selectionDelegate.userUpdateTextEditingValue(
-      value.copyWith(selection: newSelection, composing: TextRange.empty),
-      SelectionChangedCause.drag,
-    );
-
+    selectionDelegate.textEditingValue =
+        value.copyWith(selection: newSelection, composing: TextRange.empty);
     selectionDelegate.bringIntoView(textPosition);
   }