Convert issue 2999491 to a module that can be used in any project and minimize support effrots

Problem/Motivation

We are now able to create inline blocks from the Layout Builder but they are always set to non-reusable. It would be nice to have a checkbox to decide of the block should be reusable or not, similar to functionality in FPP for Drupal 7. This would allow editors to create reusable blocks while editing layouts for individual pieces of content, rather than having to jump to the "Block layout" section.

Proposed resolution

Alter the layout builder form and provide configuration block to control creating and editing.