[BUGFIX] Correct "additionalParams" handling in PageViewHelpers

ViewHelpers f:link.page and f:uri.page in non-Extbase
context don't handle "additionalParams" correctly
since #98484, leading to a PHP warning.

Handle that argument correctly and add some tests.

Resolves: #98486
Related: #98474
Releases: main
Change-Id: Ife768faaab346893e34dc90dac432db9925a18b4
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/75926


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