[TASK] Cover rendering of hidden tt_content with functional tests

Two new cases are covered in LocalizedContentRenderingTest:
- when record is hidden in default language but its translation
  is not hidden
- when visible default language record has hidden translation

Resolves: #82012
Releases: master, 8.7, 7.6
Change-Id: I924c0082f010bf9d9de642111cc3d65844f00f1f
Reviewed-on: https://review.typo3.org/53632


Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Markus Klein <markus.klein@typo3.org>
Tested-by: Markus Klein <markus.klein@typo3.org>
Reviewed-by: Benni Mack <benni@typo3.org>
Tested-by: Benni Mack <benni@typo3.org>