Describe the bug
The Inserter in the post editor was recently updated and some of the functionality is missing in the site editor's version of the Inserter.
Current:

Expected:

Current:

Expected:

@gziolo @WordPress/gutenberg-core Why aren't the changes here part of the block editor and carry over?
@MichaelArestad Ahh, the post editor is using the new __experimentalIsQuick inserter option. Should we enable it in the site editor too?
There's also another setting on the block-editor settings to toggle the main inserter otherwise there's no way for the quick inserter to know what to do when you click "browse all". and yes, let's try to enable this.
Most helpful comment
@MichaelArestad Ahh, the post editor is using the new
__experimentalIsQuickinserter option. Should we enable it in the site editor too?