[TASK] Swap position for buttons in docheader in history view

Use default settings for addButton($backButton),
so that the close button is always placed
on the far left side of the docheader.

Resolves: #99218
Releases: main
Change-Id: I13efb9996b11fa16b15c3d54772406c27853cf09
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/76852


Tested-by: core-ci <typo3@b13.com>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Benni Mack <benni@typo3.org>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>