[BUGFIX] EXT:form load yaml configurations in defined order

[BUGFIX] EXT:form load yaml configurations in defined order

Changes configuration loading of yaml configurations. Orders the yaml configuration
by the numeric keys defined in TypoScript.

Resolves: #79578
Releases: master
Change-Id: Id1fe072b024ec58bf0e1867cff97d60b12ee6589
Reviewed-on: https://review.typo3.org/51494
Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Tobi Kretschmann <tobi@tobishome.de>
Tested-by: Tobi Kretschmann <tobi@tobishome.de>
Reviewed-by: Ralf Zimmermann <ralf.zimmermann@tritum.de>
Tested-by: Ralf Zimmermann <ralf.zimmermann@tritum.de>
Reviewed-by: Susanne Moog <susanne.moog@typo3.org>
Tested-by: Susanne Moog <susanne.moog@typo3.org>