[BUGFIX] Evaluate config.defaultGetVars in middleware

The config.defaultGetVars is executed and $_GET is modified,
but not the middleware where this method is called.

In order to also modify the middleware's request object, the
option config.defaultGetVars is also evaluted again in the PSR-15
middleware.

Resolves: #86241
Related: #86046
Releases: master
Change-Id: I2238d93b4974a40b2228c099cef7c8a04bd6cf74
Reviewed-on: https://review.typo3.org/58266


Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Daniel Sattler <sattler@b13.de>
Tested-by: Daniel Sattler <sattler@b13.de>
Reviewed-by: Daniel Goerz <daniel.goerz@posteo.de>
Tested-by: Daniel Goerz <daniel.goerz@posteo.de>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>