Issue #3330981 by Spokje, smustgrave, mallezie, catch, xjm: Fix PHPStan L1 error "Relying on entity queries to check access by default is deprecated..."

Issue #3035383 by andypost, martin107, Berdir: Replace deprecated usages of entityManager in list builder classes

Issue #2902187 by amateescu, timmillwood, Sam152, webchick, Manuel Garcia, xjm, plach, DuneBL, larowlan, Bojhan, jibran, Berdir, jojototh: Provide a way for users to moderate content