fix bugs

packages/notus/lib/src/document.dart

           'This is likely due to a bug in the library. Tried to compose change $change from $source.');
     }
     // _controller.add(NotusChange(before, change, source));
-    final notusChange = NotusChange(before, change, source);
-    _controller.add(notusChange);
-    if (history != true && search != true) _history?.handleDocChange(notusChange);
-    // if (search != true) {
-    //   _searchController = NotusSearch(_delta);
-    // }
+    if (search != true) {
+      final notusChange = NotusChange(before, change, source);
+      _controller.add(notusChange);
+      if (history != true) _history?.handleDocChange(notusChange);
+    }
   }
 
   //

packages/zefyr/lib/src/widgets/image.dart

 /// Provides interface for embedding images into Zefyr editor.
 // TODO: allow configuring image sources and related toolbar buttons.
 @experimental
-abstract class ZefyrImageDelegate<S> {
-  /// Unique key to identify camera source.
-  S get cameraSource;
+abstract class ZefyrImageDelegate {
+  // /// Unique key to identify camera source.
+  // S get cameraSource;
 
-  /// Unique key to identify gallery source.
-  S get gallerySource;
+  // /// Unique key to identify gallery source.
+  // S get gallerySource;
 
   /// Builds image widget for specified image [key].
   ///
   /// Depending on your application returned key may represent a path to
   /// an image file on user's device, an HTTP link, or an identifier generated
   /// by a file hosting service like AWS S3 or Google Drive.
-  Future<String> pickImage(S source);
+  // Future<String> pickImage(S source);
 
   Future<String> picked(File file, bool isFullImage);
 }