fix trusted mcp create_session (#446)

Author: zakahan

veadk/tools/mcp_tool/trusted_mcp_session_manager.py

@@ -152,7 +152,7 @@ async def create_session(
                 else:
                     # Create a new session
                     logger.info("Initialize MCP session")
-                    return super().create_session(headers)
+                    return await super().create_session(headers)
             except Exception:
                 # If session creation fails, clean up the exit stack
                 if exit_stack: