Mm 47648 check license expandable (#21770)

* [MM-47648] Handler for check if a subscription is expandable

* Mock cloud regenerate

* PR Webapp test purpose only

* [MM-47648] Refactor and tests for expand stats for a subscription

* Fix typos

* style fix

* has to be revert

* CWS URL to Spinwick

* new spinwick url

* target portal test

* Generate token instead of send licenseId

* Rename

* Rename methods

* Revert public key and cws url

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

einterfaces/cloud.go

@@ -17,6 +17,7 @@ type CloudInterface interface {
 	ConfirmCustomerPayment(userID string, confirmRequest *model.ConfirmPaymentMethodRequest) error
 
 	GetCloudCustomer(userID string) (*model.CloudCustomer, error)
+	GetLicenseExpandStatus(userID string, token string) (*model.SubscriptionExpandStatus, error)
 	UpdateCloudCustomer(userID string, customerInfo *model.CloudCustomerInfo) (*model.CloudCustomer, error)
 	UpdateCloudCustomerAddress(userID string, address *model.Address) (*model.CloudCustomer, error)