Fix Bash commands now do not block and actually respect the timeout (#4058)

openhands/server/session/session.py

@@ -162,6 +162,9 @@ class Session:
                         'Model does not support image upload, change to a different model or try without an image.'
                     )
                     return
+        asyncio.run_coroutine_threadsafe(self._add_event(event, EventSource.USER), self.agent_session.loop) # type: ignore
+
+    async def _add_event(self, event, event_source):
         self.agent_session.event_stream.add_event(event, EventSource.USER)
 
     async def send(self, data: dict[str, object]) -> bool: