Make manager warning for --enable-manager not appear if is windows_standalone_build

Author: Kosinkadink

main.py

@@ -25,7 +25,8 @@
 
 
 def handle_comfyui_manager_unavailable():
-    logging.warning(f"\n\nYou appear to be running comfyui-manager from source, this is not recommended. Please install comfyui-manager using the following command:\ncommand:\n\t{sys.executable} -m pip install --pre comfyui_manager\n")
+    if not args.windows_standalone_build:
+        logging.warning(f"\n\nYou appear to be running comfyui-manager from source, this is not recommended. Please install comfyui-manager using the following command:\ncommand:\n\t{sys.executable} -m pip install --pre comfyui_manager\n")
     args.enable_manager = False