* Remove gRPC and convert PricingClient to HttpClient wrapper
* Add PlanType.GetProductTier extension
Many instances of StaticStore use are just to get the ProductTierType of a PlanType, but this can be derived from the PlanType itself without having to fetch the entire plan.
* Remove invocations of the StaticStore in non-Test code
* Deprecate StaticStore entry points
* Run dotnet format
* Matt's feedback
* Run dotnet format
* Rui's feedback
* Run dotnet format
* Replacements since approval
* Run dotnet format
* Move existing Billing SQL files into dbo folder
I noticed that every other team had a nested dbo folder under their team folder while Billing did not. This change replicates that.
* Add SQL files for ClientOrganizationMigrationRecord table
* Add SQL Server migration for ClientOrganizationMigrationRecord table
* Add ClientOrganizationMigrationRecord entity and repository interface
* Add ClientOrganizationMigrationRecord Dapper repository
* Add ClientOrganizationMigrationRecord EF repository
* Add EF migrations for ClientOrganizationMigrationRecord table
* Implement migration process
* Wire up new Admin tool to migrate providers
* Run dotnet format
* Updated coupon and credit application per product request
* AC-3057-3058: Fix expiration date and enabled from webhook processing
* Run dotnet format
* AC-3059: Fix assigned seats during migration
* Updated AllocatedSeats in the case plan already exists
* Update migration scripts to reflect current date
