feat: enhance agent sharing functionality and UI improvements

- Added shared agents state management in Navigation and AgentsList components.
- Implemented fetching and displaying shared agents in the AgentsList.
- Introduced functionality to hide shared agents with appropriate API integration.
- Updated the SharedAgent component layout for better UI consistency.
- Improved error handling in conversation fetching logic.
- Added new API endpoint for hiding shared agents.
- Updated Redux slice to manage shared agents state.
- Refactored AgentCard and AgentSection components for better code organization and readability.

application/api/answer/routes.py

@@ -525,8 +525,7 @@ class Stream(Resource):
                 user_api_key=user_api_key,
                 decoded_token=decoded_token,
             )
-            is_shared_usage_val = data.get("is_shared_usage", False)
-            is_shared_token_val = data.get("shared_token", None)
+
             return Response(
                 complete_stream(
                     question=question,
@@ -539,8 +538,8 @@ class Stream(Resource):
                     index=index,
                     should_save_conversation=save_conv,
                     agent_id=agent_id,
-                    is_shared_usage=is_shared_usage_val,
-                    shared_token=is_shared_token_val,
+                    is_shared_usage=is_shared_usage,
+                    shared_token=shared_token,
                 ),
                 mimetype="text/event-stream",
             )