Refactor filter documentation handling

- Removed redundant `gr.update` call
- Simplified documentation return value
- Cleaned up code formatting
- Maintained existing functionality
- Improved code readability

app.py

@@ -46,9 +46,8 @@ def create_app():
             
             # Get filter documentation
             doc = registry.filters[filter_name].__doc__ or "No documentation available."
-            updates.append(gr.update(value=doc))
             
-            return updates + [filter_doc.update(value=doc)]
+            return updates + [doc]
 
 
         # Xử lý ảnh khi button click
@@ -79,7 +78,7 @@ def create_app():
         filter_select.change(
             update_controls,
             inputs=filter_select,
-            outputs=list(filter_groups.values()) + [filter_doc],  # Pass list of groups as outputs
+            outputs=list(filter_groups.values()) + [filter_doc], # Pass list of groups as outputs
             api_name=False
         )