Search page: sort templates by label if present

[hiboudev]

Short description of the issue

In find page, template list is sorted by template name even if label is present and displayed for some templates.

Expected behavior

Sort by label when present.

Optional: Screenshots/Links that demonstrate the issue

"Voiture" is the label for "car" template, it should be at the end of list.

Setup/Environment

• ProcessWire version: 3.0.228