Add quick/bulk edit status icons, matching block editor

[adamsilverstein]

Description

This PR adds status icons to the bulk edit and quick edit select elements. The svgs in the code are from the block editor which already shows a status icon next to each status, for example:

This PR adds those status icons to the status selector on the quick edit screen and bilk edit screen which currently look like this:

Quick edit:

Select detail:

Bulk edit:

Select detail:

After PR

After this PR, the select elements opt into the new Customizable Select API which enables HTML select elements. It then adds the svg icons from the editor to the selects. After the PR they look like this:

Quick edit:

Bulk edit:

Trac ticket: No ticket yet, this is purely experimental.

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This Pull Request is for code review only. Please keep all other discussion in the Trac ticket. Do not merge this Pull Request. See GitHub Pull Requests for Code Review in the Core Handbook for more details.

[github-actions]

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