[FEATURE] EM: Choose version for update

If you update an extension, currently always the latest version is
installed. Due to compatibility issues this isn't always the right
solution. This patch adds the possibility to choose the version which
should be installed from the confirmation modal.

Resolves: #60070
Releases: master
Change-Id: Ie19ad2e59aa577092c300ed8592386eaad514809
Reviewed-on: http://review.typo3.org/38030


Reviewed-by: Jan Helke <typo3@helke.de>
Tested-by: Jan Helke <typo3@helke.de>
Reviewed-by: Andreas Fernandez <andreas.fernandez@aspedia.de>
Tested-by: Andreas Fernandez <andreas.fernandez@aspedia.de>
Reviewed-by: Helmut Hummel <helmut.hummel@typo3.org>
Tested-by: Helmut Hummel <helmut.hummel@typo3.org>