* 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 UpdateLicenseAsync from service to command
* create new SelfHostedOrganizationDetails view model and move license validation logic there
* move occupied seat count logic to database level
* [EC-634] Extract GenerateLicenseAsync to a query (#2373)
* [EC-637] Add license sync to server (#2453)
* [EC-1036] Show correct license sync date (#2626)
* Update method name per new pattern
