[BUGFIX] Queries don't respect MM_match_fields

In case of sys_category and all other
MM-relations with MM_match_fields, parseConstraint
has no implementation for this property.

This patch adds MM_match_fields for
matching and deletion.

Resolves: #10487
Releases: 6.2
Change-Id: Id4f53fd4ed42dd6e785011b5efbc61f6ce62e022
Reviewed-on: https://review.typo3.org/29713
Reviewed-by: Fabien Udriot
Tested-by: Fabien Udriot
Reviewed-by: Wouter Wolters
Tested-by: Wouter Wolters
Reviewed-by: Anja Leichsenring
Tested-by: Anja Leichsenring