* Extract OrganizationService.SignupClientAsync into new ResellerClientOrganizationSignUpCommand
* Refactor ResellerClientOrganizationSignUpCommand to remove unused dependencies and simplify SignupClientAsync method signature
* Add unit tests for ResellerClientOrganizationSignUpCommand
* Rename SignUpProviderClientOrganizationCommand
* Rename ProviderClientOrganizationSignUpCommand
* Register ProviderClientOrganizationSignUpCommand for dependency injection
* Refactor ProviderService to use IProviderClientOrganizationSignUpCommand for organization signup process
* Refactor error handling in ProviderClientOrganizationSignUpCommand to use constants for error messages
* Remove SignupClientAsync method from IOrganizationService and OrganizationService, along with associated unit tests
* 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
* Enforce free organization limit when updating user
* Add test for throwing error on accepting admin user joining multiple free organizations
* Add test for throwing BadRequest when free organization admin attempts to sign up for another free organization
* Fix user ID handling in UpdateOrganizationUserCommand for free organizations
* Rename parameter 'user' to 'organizationUser' in UpdateUserAsync method for clarity
feat(NewDeviceVerification) :
* Created database migration scripts for VerifyDevices column in [dbo].[User].
* Updated DeviceValidator to check if user has opted out of device verification.
* Added endpoint to AccountsController.cs to allow editing of new User.VerifyDevices property.
* Added tests for new methods and endpoint.
* Updating queries to track [dbo].[User].[VerifyDevices].
* Updated DeviceValidator to set `User.EmailVerified` property during the New Device Verification flow.
