[TASK] Reduce inline JavaScript in FormEngine AJAX responses

Reduces amount of `requireJsModules` and `scriptCall` invocations
in AJAX response handling and migrates to new `scriptItems` which
is forwarded to JavaScriptHandler.js.

Resolves: #95954
Releases: master
Change-Id: I258da49fef46ccc36c602e0fd7c9a14ddb3cec1d
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/72154


Tested-by: core-ci <typo3@b13.com>
Tested-by: Oliver Bartsch <bo@cedev.de>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Nikita Hovratov <nikita.h@live.de>
Reviewed-by: Oliver Bartsch <bo@cedev.de>
Reviewed-by: Benni Mack <benni@typo3.org>