Prep Plugin for release on WordPress.org

Escape everything that should be escaped.
Add nonce checks where needed.
Sanitize all inputs.
Apply Code style changes across the codebase.
Correct many deprecation notices.
Optimize load order of many filters.

views/dashboard-widgets/current-site.php

@@ -42,7 +42,7 @@
 					<path d="M.293 0l22 22-22 22h1.414l22-22-22-22H.293z" />
 					</svg>
 					<a href="<?php echo esc_url($my_sites_url); ?>" class="wu-mx-4 wu-text-sm wu-font-medium wu-text-gray-500 hover:wu-text-gray-700 wu-no-underline">
-						<?php _e('Your Sites', 'wp-multisite-waas'); ?>
+						<?php esc_html_e('Your Sites', 'wp-multisite-waas'); ?>
 					</a>
 				</div>
 				</li>