[BUGFIX] Use direct calls to BackendLayoutView

Instead of using "callUserFunction" which hands in an instance
of the current object for BackendLayoutView, which is never needed,
this change uses the method calls directly.

Resolves: #90896
Releases: master
Change-Id: I2746b7b6d3ce856379bcbad4e94eec14b5521ccc
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/64019


Tested-by: Georg Ringer <georg.ringer@gmail.com>
Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>
Reviewed-by: Oliver Klee <typo3-coding@oliverklee.de>
Reviewed-by: Andreas Fernandez <a.fernandez@scripting-base.de>