[TASK] Initialize BackendUser options in constructor

Instead of calling / setting properties from the outside, the backend
user constructor can set options like lockIP centralized.

This way, certain implementations from third-party extensions
can just instantiate the object.

Resolves: #78660
Releases: master
Change-Id: If43ca2533968b54c842cbe01531fc6c33ee5352c
Reviewed-on: https://review.typo3.org/50596


Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Reviewed-by: Joerg Boesche <typo3@joergboesche.de>
Tested-by: Joerg Boesche <typo3@joergboesche.de>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>