Information in Data app filtered by district_id

A District Education Officer needs to only see the data related to Headteachers that they are responsible for. Districts are made up of Zones which have Schools (with an EMIS).

* Django users should have district option
* All the listing views in data app filtered by the district_id value from their user profile


If possible:
* Users with "All" or district_id = 0 should not have filter applied