Gutenberg: Edit Site: Identify templates that have user modifications

[mtias]

With the block template system in edit-site, WordPress will have the ability to handle both theme templates and user templates contiguously. There should be a way to identify when a template has local modifications compared to the vanilla template.

Template selector, no modifications:

Template selector, "home" has been modified by the user / site:

Showing a tooltip:

This could also be the basis for doing template reverts (restore a theme default) as well as "theme switches".

[epiqueras]

Implemented:

[pablohoneyhoney]

Nice one @epiqueras !
Is _Edited_ a better term than _Customized_?

[epiqueras]

"Edited" could be confused with "Unsaved Changes".

[mtias]

@epiqueras do we have anything left here or can we close?

[epiqueras]

We can close.