* Change subscription to rely on observables and not on BehaviourSubject
* Ensure OnDestroy is added to AppComponent
* Fix check for no active accounts to redirect to the login page instead of lock
* Change subscription handling on SearchBarService
* Fix naming convention: Observables should have a $ suffix
* Remove obsolete linter hint
* Fix activeAccountUnlocked getting exposed as Observable but is instantiated as BehaviourSubject
* Added abstractions for PolicyApiService and PolicyService
* Added implementations for PolicyApiService and PolicyService
* Updated all references to new PolicyApiService and PolicyService
* Deleted old PolicyService abstraction and implementation
* Fixed CLI import path for policy.service
* Fixed main.background.ts policyApiService dependency for policyService
* Updated policy-api.service with the correct imports
* [EC-376] Sorted methods order in PolicyApiService
* [EC-376] Removed unused clearCache method from PolicyService
* [EC-376] Added upsert method to PolicyService
* [EC-376] PolicyApiService putPolicy method now upserts data to PolicyService
Oscar Hinton
Daniel James Smith
Rui Tomé
Hinton