MM-43084 update product limits through webhook and websocket (#20076)

* Define interfaces for updating subscriptions and product limits from CWS webhook.

einterfaces/mocks/CloudInterface.go

@@ -292,3 +292,17 @@ func (_m *CloudInterface) UpdateCloudCustomerAddress(userID string, address *mod
 
 	return r0, r1
 }
+
+// UpdateSubscriptionFromHook provides a mock function with given fields: _a0, _a1
+func (_m *CloudInterface) UpdateSubscriptionFromHook(_a0 *model.ProductLimits, _a1 *model.Subscription) error {
+	ret := _m.Called(_a0, _a1)
+
+	var r0 error
+	if rf, ok := ret.Get(0).(func(*model.ProductLimits, *model.Subscription) error); ok {
+		r0 = rf(_a0, _a1)
+	} else {
+		r0 = ret.Error(0)
+	}
+
+	return r0
+}