EST-416: refactored new LeasesEtcForAll

- renamed from LeasesAndLeaseUnitsAndLeaseItemsAndLeaseTermsAndTagsAndBreakOptionsFixture
- delegates to new LeasesEtcForXxx which sets up all lease info for a given lease
- renamed LeaseAndRolesAndLeaseUnitsAndTags ... -> LeaseAndRolesAndOccupanciesAndTags ...