Template navigation: Remove "All" panel

[jameskoster]

The Templates panel in the navigation current includes a superfluous "All" section. Since all templates are listed already (albeit categorised), this section isn't helpful.

[Copons]

While the "all" section might not be helpful for the end-user, it's very useful for the development of the Site Editor.

I've got a PR open that improves the actual Templates wp-admin list to display all templates (right now it hides the theme-provided ones).
If/when that PR goes in, we'll have a good enough "source of truth" for templates, and I'd say we could remove the "all" section from the sidebar. 🙂

[jameskoster]

Fair enough. Another condition upon which we might remove it is when all the other panels in the navigation have been built.

[jeyip]

Adding some visuals for context:

[Addison-Stavlo]

Noting this may also require polishing up which templates show up in which sections of that menu. Currently from creating from the add template ("+") icon in the menu:

• a Post template only seems to show up under the "All" menu.
• Only Page ends up under the "Pages" menu. Front Page, Singular, Index do not - although Im not sure which should? 🤔

[jameskoster]

although Im not sure which should? 🤔

I'm thinking the generic Page template should probably be top-level as it is one that folks are likely to interact with more frequently.

The "Pages" section could contain any page-specific (page-$id) templates.

[Addison-Stavlo]

I'm thinking the generic Page template should probably be top-level as it is one that folks are likely to interact with more frequently.

I assume the same should be true about Post ?

[jameskoster]

I think so, yes.

At this point it may be worth revisiting #26264 so that we don't end up clogging the top level too much.