Merge MR after bypassing requested changes check when it's set to MWCP

What does this MR do and why?

When the MWCP auto megre is set, after bypassing the requested changes, it will merge automatically

To Test:

Scenario 1:

1. Create a MR that is mergeable
2. Add a review, with requested changes
3. Click auto merge
4. Bypass the requested changes
5. MR should merge

Scenario 2:

1. Create a MR that is mergeable
2. Add a review, with requested changes
3. Click auto merge
4. Approve
5. MR should merge

Related to #458864 (closed)