feat: update policy for updating ComfyUI

https://github.com/ltdrdata/ComfyUI-Manager/issues/1552

fixed: comfyui versions should be based on commit date
https://github.com/ltdrdata/ComfyUI-Manager/issues/1566

fixed: invalid identifying of nightly node packs which has `git@github.com:...` url
fixed: switch comfyui should be based on `master` branch instead of `main` branch
fixed: switch_to_default_branch - more robust switching
refactor: endpoints for policies

js/components-manager.js

@@ -709,7 +709,7 @@ app.handleFile = handleFile;
 
 let current_component_policy = 'workflow';
 try {
-	api.fetchApi('/manager/component/policy')
+	api.fetchApi('/manager/policy/component')
 		.then(response => response.text())
 		.then(data => { current_component_policy = data; });
 }