Issue #2189267 by Manuel Garcia, snufkin, alexpott, nuez, maxocub, mirsoft,...

Issue #2189267 by Manuel Garcia, snufkin, alexpott, nuez, maxocub, mirsoft, SiliconMind, blazey, mErilainen, wannesderoy, borisson_, Gábor Hojtsy, stella, spoit, swentel, lauriii, Rob230, Xano, danquah: When content language detection is different from interface language detection, the detected language is not applied to the rendered content

(cherry picked from commit edfebee5)