Clean up object access via global variables to TYPO3_DB,
BE_USER and TT in the error handling service layer.

Resolves: #72471
Releases: master, 7.6
Change-Id: I8d4532924fad2eee676e4e87c8e61bb164bfa93d
Reviewed-on: https://review.typo3.org/45499


Reviewed-by: Morton Jonuschat <m.jonuschat@mojocode.de>
Tested-by: Morton Jonuschat <m.jonuschat@mojocode.de>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>