[BUGFIX] Allow slashes in enhanced routes having aspects definitions

The changes made in #86895 broke previous behaviour in page routing by
disallowing the use of the "requirements" option for a route when
aspects are present - "aspects now take precedence over requirements".

While the reasoning behind this change is valid, the requirements in
the Symfony Routing package would now always default to '[^/]++'
(every character except "/") for routes that use aspects.

Before, it was possible to manually set the requirements to '.+' to
allow slashes in an argument value.

Instead of purging requirements for variable names having an aspect
definition as well, thoese requirements are set to `.+` to relax the
default Symfony constraints on default delimiter `/` in this case.

Resolves: #90531
Resolves: #88291
Resolves: #87333
Related: #86895
Releases: master, 9.5
Change-Id: I27076aa0425d050e729db84d8e3461a329321342
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/63529


Tested-by: Oliver Hader <oliver.hader@typo3.org>
Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Christian Eßl <indy.essl@gmail.com>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Oliver Hader <oliver.hader@typo3.org>
Reviewed-by: Christian Eßl <indy.essl@gmail.com>
Reviewed-by: Benni Mack <benni@typo3.org>