[TASK] Use HTML5 input type "email" in user settings

The field "email" should use the input type "email".

Resolves: #62504
Releases: master
Change-Id: I1f443eac86508dd914a75c4a1ab7d0454c043f66
Reviewed-on: http://review.typo3.org/33587
Reviewed-by: Stefan Froemken <froemken@gmail.com>
Tested-by: Stefan Froemken <froemken@gmail.com>
Reviewed-by: Benjamin Mack <benni@typo3.org>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>