R1:44c32839a68c

When you "Request Review" of a draft revision, change the button text from "Submit Quietly" to "Publish Revision"

Summary:
See PHI975. Ref T13216. Ref T2543. Previously, see D19204 and PHI433.

When you're acting on a draft revision, we change the button text to "Submit Quietly" as a hint that your actions don't generate notifications yet.

However, this isn't accurate when one of your actions is "Request Review", which causes the revision to publish.

Allow actions to override the submit button text, and…