alpha-232

• Fixes tons of rendering issues in Reader post detail by changing the technical solution (shared CSS file).
• Block editor: Display content metrics information (blocks, words, characters count).
• Block Editor: Adds editor support for theme defined colors and theme defined gradients on cover and button blocks.
• Block Editor: Add support allowing Cover Block video uploads to complete after the editor has closed
• Block Editor: Fix handling of upload completion while re-opening the editor
• Fix crash when WordPress api response has an empty body