[TASK] Functional tests for free mode translation

Functional tests for following scenarios:
- free-mode translation of a record in non-default language
(live and in workspaces)
- copy page translated in free mode (workspaces, live is already covered)


Resolves: #79170
Releases: master, 7.6
Change-Id: Iff69e2b4333dfff7511871573352b270add4de01
Reviewed-on: https://review.typo3.org/51150


Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Andreas Fernandez <typo3@scripting-base.de>
Tested-by: Andreas Fernandez <typo3@scripting-base.de>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>