PHP backports for WP 6.7

[noisysocks]

Automatically generated from the contents of backport-changelog.

• block.json: Allow passing filename as variations field wordpress-develop#6668
  • block.json: Allow passing filename as variations field #62092
• Update custom CSS handling to be consistent with block global styles. wordpress-develop#6750
  • Update custom CSS handling to be consistent with block global styles. #62357
• Global styles: block background UI controls wordpress-develop#6836
  • Global styles: block background UI controls  #60100
• Background: add background attachment support to theme.json styles wordpress-develop#6991
  • Background: add background attachment to top level styles #61382
• Block bindings: Expose sources in the editor settings to consume them in the client wordpress-develop#7020
  • Block Bindings: Bootstrap sources defined in the server #63470
• Add plugin template registration API wordpress-develop#7125
  • Add plugin template registration API #61577
  • Make plugin-registered templates overriden by themes to fall back to plugin-registered title and description #64610
• Background images: resolve ref and ensure appropriate default values wordpress-develop#7137
  • Background images: add support for theme.json ref value resolution #64128
  • Background images: ensure appropriate default values #64192
  • Background image: ensure consistency with defaults and fix reset/remove functionality #64328
• Try setting targetHints automatically. wordpress-develop#7139
  • Core Data: Resolve entity collection user permissions #64504
  • Target Hints: Add missing param sanitization #65280
• Editor: Fix preloaded REST API paths wordpress-develop#7179
  • Site Editor: Fix Template Parts post type preload path #64401
  • Editor: Fix preloaded REST API paths #64459
  • Edit Post: Fix user pattern preloading filter #64477
• Block Styles: Ensure unique classname generation for variations wordpress-develop#7200
  • Block Styles: Ensure unique classname generation for variations #64511
• Fluid typography: allow individual preset overrides wordpress-develop#7247
  • Fluid typography: allow individual preset overrides #64790
• Block Bindings: Add canUpdateBlockBindings editor setting wordpress-develop#7258
  • Block Bindings: Allow only admin users to create and modify bindings by default #64570
• Site Editor: Update preloaded paths wordpress-develop#7270
  • Site Editor: Add 'OPTIONS /page' to preloaded paths #64890
• Proposal: Add label argument to register_meta function wordpress-develop#7298
  • Block Bindings: Use post meta label from register_meta in block bindings workflows #65099
• Add support for the format property in query wordpress-develop#7314
  • Query loop / Post template: Enable post format filter #64167
• Global Styles: allow read access to users with edit_posts capabilities wordpress-develop#7336
  • Global Styles: allow read access to users with edit_posts capabilities #65071
• Build: Prepare for more Script Modules wordpress-develop#7360
  • Script Modules: Centralize (re)registration #65460