SmrLocation: make cache array keys consistent
SmrLocation: make cache array keys consistent

Consistently use the `location_type_id` for the keys of the array.
This changes the array keys of `getSectorLocations`.

hemberger/smr,smrealms/smr,smrealms/smr,hemberger/smr,smrealms/smr,hemberger/smr,hemberger/smr