fixing some wrong doings

lib/src/widgets/raw_editor.dart

@@ -325,9 +325,6 @@ class RawEditorState extends EditorState
 
   TextDirection get _textDirection => Directionality.of(context);
 
-  @override
-  void insertContent(KeyboardInsertedContent content) {}
-
   /// Returns the [ContextMenuButtonItem]s representing the buttons in this
   /// platform's default selection menu for [RawEditor].
   ///
@@ -1712,7 +1709,7 @@ class RawEditorState extends EditorState
 }
 
 class _Editor extends MultiChildRenderObjectWidget {
-  const _Editor({
+  _Editor({
     required Key key,
     required List<Widget> children,
     required this.document,

lib/src/widgets/text_block.dart

@@ -596,7 +596,7 @@ class RenderEditableTextBlock extends RenderEditableContainerBox
 }
 
 class _EditableBlock extends MultiChildRenderObjectWidget {
-  const _EditableBlock(
+  _EditableBlock(
       {required this.block,
       required this.textDirection,
       required this.padding,