Allow apply global push rule to all push rules

What does this MR do and why?

Relates to #356269

Add a button apply push rules to all Cascade down groups and projects.

Screenshots or screen recordings

How to set up and validate locally

Numbered steps to set up and validate the change are strongly suggested.

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.

and jihu issue https://jihulab.com/gitlab-cn/gitlab/-/issues/817