[MM-28217] Server API to serve up cloud customer information (#15656)

* [MM-28217] Server API to serve up cloud customer information

* Added missing client4 method

* merge'd

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

model/client4.go

@@ -5651,6 +5651,19 @@ func (c *Client4) ConfirmCustomerPayment(confirmRequest *ConfirmPaymentMethodReq
 	return BuildResponse(r)
 }
 
+func (c *Client4) GetCloudCustomer() (*CloudCustomer, *Response) {
+	r, appErr := c.DoApiGet(c.GetCloudRoute()+"/customer", "")
+	if appErr != nil {
+		return nil, BuildErrorResponse(r, appErr)
+	}
+	defer closeBody(r)
+
+	var cloudCustomer *CloudCustomer
+	json.NewDecoder(r.Body).Decode(&cloudCustomer)
+
+	return cloudCustomer, BuildResponse(r)
+}
+
 func (c *Client4) GetSubscription() (*Subscription, *Response) {
 	r, appErr := c.DoApiGet(c.GetCloudRoute()+"/subscription", "")
 	if appErr != nil {