fix(backend): Revert non-async routes that are changed to async (#8734)

autogpt_platform/backend/backend/server/rest_api.py

@@ -91,9 +91,7 @@ class AgentServer(backend.util.service.AppProcess):
     async def test_execute_graph(
         graph_id: str, node_input: dict[typing.Any, typing.Any], user_id: str
     ):
-        return await backend.server.routers.v1.execute_graph(
-            graph_id, node_input, user_id
-        )
+        return backend.server.routers.v1.execute_graph(graph_id, node_input, user_id)
 
     @staticmethod
     async def test_create_graph(

autogpt_platform/backend/backend/server/routers/v1.py

@@ -276,7 +276,7 @@ async def set_graph_active_version(
     tags=["graphs"],
     dependencies=[Depends(auth_middleware)],
 )
-async def execute_graph(
+def execute_graph(
     graph_id: str,
     node_input: dict[Any, Any],
     user_id: Annotated[str, Depends(get_user_id)],
@@ -481,7 +481,7 @@ async def create_schedule(
     tags=["schedules"],
     dependencies=[Depends(auth_middleware)],
 )
-async def delete_schedule(
+def delete_schedule(
     schedule_id: str,
     user_id: Annotated[str, Depends(get_user_id)],
 ) -> dict[Any, Any]:
@@ -494,7 +494,7 @@ async def delete_schedule(
     tags=["schedules"],
     dependencies=[Depends(auth_middleware)],
 )
-async def get_execution_schedules(
+def get_execution_schedules(
     user_id: Annotated[str, Depends(get_user_id)],
     graph_id: str | None = None,
 ) -> list[scheduler.JobInfo]: