[BUGFIX] Missing body class for current language (#906)
[BUGFIX] Missing body class for current language (#906)

* [BUGFIX] Missing body class for current language

TSFE:sys_language_uid is marked deprecated since TYPO3 v9.4. Instead siteLanguage:twoLetterIsoCode or siteLanguage:languageId should be used.

* [BUGFIX] Body class for current language with id

To keep the old class e.g. language-0 siteLanguage:languageId should be used instead.
stweil/bootstrap_package,benjaminkott/bootstrap_package,benjaminkott/bootstrap_package,stweil/bootstrap_package,stweil/bootstrap_package,benjaminkott/bootstrap_package,benjaminkott/bootstrap_package,stweil/bootstrap_package