5.0.0 Alpha 16

#2242: Restored the g_topic_rate_setting property
#2173: Optimization/mysql performance review
#2238: Reload Code Editor tags after adding Custom Phrase
#2241: Resolve Editor Link Panel Quirks
 - Issue #2184: Tiptap: Inserting a "text URL" is replaced by rich preview
 - Issue #2185: Tiptap: Inserting links sometimes repositions text
 - Issue #2186: Tiptap: Can't undo after inserting link
 - Issue #2187: Tiptap: Slow insertion of links after a while
#2244: Fix exception uploading image to a new album
#2245: Add svg file extension to File::$fileIconMap
#2246: Fixed size of "fallback image" in grid mode (Chrome bug)
#2247: Fixed UI of translate textareas
#2248: Improved UI of "external embed" modal when embedding blocks
#2249: Fixed the "Remember me?" label which failed to work in some situations
#2250: Restored mobile footer on "minimal" pages
#2239: Moved node recounts into a task
#2232: Restored missing language string
#2233: Load profile.css only for applications that have that file
#2234: Added check for existence of container in Comment::contentImages
#2226: Remove references to hooks from init.php
#2225: Several fixes to the UserMenu editProfileMenu
#2224: Fire onStatusChange event on soft delete and on restore
#2220: The "Dismiss Announcement" button now passes accessibility tests
#2219: Remove references to "plugins" in all language strings
#2218: Fix club names not appearing in search results for club records
#2217: Fix color picker field on Group Settings page
#2216: Fix Widget::getUniqueIds to accommodate the new structure
#2212: Fixed some missing avatars in Safari
#2200: Switch "helpful" language strings to use pluralize instead of sprintf
#2199: Detect blocks used in Raw HTML blocks
#2202: Prevent duplicate setting keys from being created
#2201: Scan for missing menutab__ language strings