Correct CMS name on profile UF group types

[herbdool]

Overview

Fixes https://lab.civicrm.org/dev/backdrop/-/issues/2

Before

Says "Drupal User Registration" on Profile options.

After

Says either "Backdrop User Registration" or "Drupal User Registration" as appropriate.

Technical Details

New method on CRM_Utils_System_*

[civibot]

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[MegaphoneJon]

I just looked this over from a code review perspective, and it looks good, and matches the approach I mentioned on the related Gitlab ticket.

Since it's a new method, we may want to add return type hinting (i.e: function getUfGroupTypes() : array {) but I certainly wouldn't block a merge on that.

Since this is a CMS-specific patch, I tested it across Backdrop/D7/WP/D9. The changes were what I'd expect - only Backdrop changed. I actually thought this would fix the bogus WP UF group types. It didn't, but that's out of scope here.

Before

Backdrop

D7

WP

D9

After

Backdrop

D7

WP

D9