MR approval notification email has redundant footer

The "merge request was approved by ..." notification emails appear to have a redundant layout wrapper applied that adds a second footer to the bottom of the message, unlike the "pipeline succeeded/failed" notification emails it was modeled after:

MR Approval Email:

Pipeline Email:

mentioned in merge request !1416

@mikegreiling is this still a regression ?

@mikegreiling are you working on this?

changed milestone to %9.5