* first iteration of query optimization for target and distribution set
* fixed type distribution set filter
* adapted all ui dataproviders to use repository count
* adapted test to not check target attributes within search query
* unified search behaviuor for ds and sm
* removed unneccessary count queries for some mgmt calls
* removed unneccessary type id proprty from ProxyDistributionSetInfo to minimize lazy fetches
* refactored mgmt classes
* removed duplication of name version filter
* fixed copy rollout compatibility check
* cleaned-up management left overs
* added index to rollouts table on tenant/status queries

Signed-off-by: Bogdan Bondar <Bogdan.Bondar@bosch.io>