[BUGFIX] Add active language UID or all languages to content listings

Fixes a problem with records not being selected correctly before being rendered as child content elements, causing incorrect language-specific output.
[BUGFIX] Fix typo - sys_language to sys_language_uid
Merge pull request #625 from xf-/syslanguageuid

[BUGFIX] Fix typo - sys_language to sys_language_uid
[TASK] Inject WorkspacesAwareRecordService in AbstractFluxController