Scribble scroll fix (#1745)

* Fix bug with scribble when the editor is scrollable - the scribble area was also being scrolled, now it is fixed

* code clean up - move ScribbleFocusable above CompositedTransformTarget when scrolling is not enabled for consistency with the scrolling scribble area fix

lib/src/widgets/raw_editor/raw_editor_state.dart

@@ -540,15 +540,15 @@ class QuillRawEditorState extends EditorState
       child = BaselineProxy(
         textStyle: _styles!.paragraph!.style,
         padding: baselinePadding,
-        child: QuillSingleChildScrollView(
+        child: _scribbleFocusable(
+          QuillSingleChildScrollView(
             controller: _scrollController,
             physics: widget.configurations.scrollPhysics,
             viewportBuilder: (_, offset) => CompositedTransformTarget(
               link: _toolbarLayerLink,
               child: MouseRegion(
                 cursor: SystemMouseCursors.text,
-              child: _scribbleFocusable(
+                child: QuilRawEditorMultiChildRenderObject(
-                QuilRawEditorMultiChildRenderObject(
                   key: _editorKey,
                   offset: offset,
                   document: doc,
@@ -574,13 +574,13 @@ class QuillRawEditorState extends EditorState
         ),
       );
     } else {
-      child = CompositedTransformTarget(
+      child = _scribbleFocusable(
+        CompositedTransformTarget(
           link: _toolbarLayerLink,
           child: Semantics(
             child: MouseRegion(
               cursor: SystemMouseCursors.text,
-            child: _scribbleFocusable(
+              child: QuilRawEditorMultiChildRenderObject(
-              QuilRawEditorMultiChildRenderObject(
                 key: _editorKey,
                 document: doc,
                 selection: controller.selection,