Scott Kingsley Clark

Pretty easy setup.. just install and activate it on the site of your choice (or network activate) and set up the settings however you’d like.
This plugin supports both Per-Site and Per-Network (WordPress Multisite) settings, so you can fine tune your options based on your needs.
Other plugins you might be interested in:
<ul>
<li>Showing the Admin Bar in more cases – <a href="https://wordpress.org/plugins/always-show-admin-bar/" rel="ugc">Always Show Admin Bar plugin</a></li>
<li>Showing the Admin Bar to logged out users – <a href="https://wordpress.org/plugins/logged-out-admin-bar/" rel="ugc">Logged Out Admin Bar plugin</a></li>
<li>Customizing the Admin area based on role – <a href="https://wordpress.org/plugins/adminimize/" rel="ugc">Adminimize</a></li>
</ul>

Admin Bar Disabler

Pretty easy setup.. just install and activate it on the site of your choice (or network activate) and set up the settings however you'd like.

Websites Built For You

You can access the Manage Reusable Blocks page from within the Gutenberg block editor by using the option in the Reusable section of the add block dialog. However, especially when building a new site, I have found this to be quite a lot of clicks just to make a quick change.
This is a simple plugin that adds an entry into the admin menu for quicker direct access to the page.
<h4>How To Use</h4>
To use the plugin, simply install and activate it. This will add a new ‘Reusable Blocks’ option to the WordPress admin menu.
Clicking on this option will take you to the reusable blocks page.

Reusable Blocks Admin Menu Option

This plugin will add an option to the WordPress admin menu for quick access to the Manage Reusable Blocks page.

Admin Bar Disabler vs Reusable Blocks Admin Menu Option