[TASK] Introduce jQuery in the Install Tool

Introduce jQuery in the Install Tool and remove all
prototype JavaScript.

Change-Id: I35f9ed136959c1bb523b6005fa8d8541181d09f9
Resolves: #46897
Releases: 6.2
Reviewed-on: https://review.typo3.org/19548
Reviewed-by: Christian Kuhn
Tested-by: Christian Kuhn
Reviewed-by: Anja Leichsenring
Tested-by: Anja Leichsenring