[TASK] Allow all fields in felogin hook "forgotPasswordMail"

Return all fields to ease the work with hooks.
Intention is not having to query again in hook 
$GLOBALS['TYPO3_CONF_VARS']['EXTCONF']['felogin']['forgotPasswordMail'] 
to change "Hello [username],..." to "Hello [fist_name] [last_name],..."
in password forgot mail to user.

Change-Id: I18e18845e61d36aadd043758f902dc6627ad5f37
Resolves: #82996
Releases: master, 8.7
Reviewed-on: https://review.typo3.org/54628


Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: TYPO3com <no-reply@typo3.com>
Tested-by: Mathias Schreiber <mathias.schreiber@typo3.com>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>
Reviewed-by: Stefan Neufeind <typo3.neufeind@speedpartner.de>
Tested-by: Stefan Neufeind <typo3.neufeind@speedpartner.de>