[BUGFIX] EM using bad indexes

The extensionmanager uses bad indexes. It is better
to move col repository to the the end of the indexes.

Resolves: #59809
Releases: 6.3,6.2
Change-Id: I0bb8d5cdfc8591bb35485b204ad5e8dafd1b4d16
Reviewed-on: http://review.typo3.org/31080
Reviewed-by: Oliver Klee <typo3-coding@oliverklee.de>
Reviewed-by: Marcin Sągol <marcin@soee.pl>
Reviewed-by: Tymoteusz Motylewski <t.motylewski@gmail.com>
Tested-by: Tymoteusz Motylewski <t.motylewski@gmail.com>
Reviewed-by: Markus Klein <klein.t3@reelworx.at>
Tested-by: Markus Klein <klein.t3@reelworx.at>