As a user, I expect AMP validation notices to appear on each block that has an AMP issue.

• AC1: Identify when and why the block level notices do not appear.
• AC2: Ensure block level validation notices appear on with the block after saving and when the editor is in a clean state.

What we want

An AMP validation error should display at the block level within the Gutenberg editor to provide the user with more information at a granular level.

This is the UI notice we want:

Noted problems

There are multiple contributing factors for this issue. Here is a list:

• Gutenberg update changed filter hook name from blocks.BlockEdit to editor.BlockEdit.
• Gutenberg update changed the block uid property from id to clientId.
• Block uids go out-of-sync. Witnessed on page/editor load and intermittently.
• Duplicated blocks cause all block level notices to disappear.
• The warning notice remains after removing all affected blocks.
• Both the top level and block level notices remain when turning off AMP on a post, i.e. switching the AMP toggle to off.