Merge hotfix-3-0-0-rc-4

[RocketMan]

Merged fixes from hotfix-3-0-0-rc-4:

• refreshed printed tags for better readability; added QR code library link
• added Electronic and Loud subcategories for General
• added support for #hashtags to music reviews
• added transliteration of cyrillic and greek to latin for ASCII/latin export (chart+adds e-mail)
• added artwork refresh CLI
• fixed review post/edit to work on Safari mobile (Music review post/edit broken on Safari mobile #416; thanks to Brady for his assistance on this)
• altered artist name swap only if album is from library (partial fix for More name swapping issues #180)
• improved accuracy of recently played artwork (Improve artist match for lesser known artists #418)
• fixed full text search results for reviews under real name
• updated Reviews/By DJ to suppress private-only reviewers in public view
• fixed link in invalid rss response
• fixed link in rss 'adds' feed (REGRESSION(v3.0.0-rc.4): RSS adds feed incorrectly links to current file #417)
• fixed import not to override artist for in-library compilations (Compilation artist name mangled on import (json, csv) #421)
• fixed URL prefixing in library editor (Library editor with https url malformed #420)
• deprecated jQuery constructs identified by jquery-migrate-3.4.1
• fixed Currents catcodes macro for empty category (in support of PHP 8.x)