[TASK] ConfigurationView: Don't extend BaseScriptClass

To reduce BaseScriptClass "SOBE" usages, the lowlevel
controller "ConfigurationView" no longer extends this class
and inlines some of the detail methods into routing
target "mainAction".

Change-Id: Icc284f5a3b4f0f9d50482a9f8865b0d7d1c16f4f
Resolves: #82728
Releases: master
Reviewed-on: https://review.typo3.org/54365


Reviewed-by: Frank Naegler <frank.naegler@typo3.org>
Tested-by: Frank Naegler <frank.naegler@typo3.org>
Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>
Tested-by: Georg Ringer <georg.ringer@gmail.com>