MM-44509 - subscription change not reflected after trial (#20352)

* MM-44509 - subscription change not reflected after trial

* fix the tests

* receive the subscription id as param, defer the cache invalidation

* validate business email with body request

* update api request to accept json body payload

* fix unit tests

* fix tests after merge conflict fixes

Co-authored-by: Pablo Velez Vidal <pablo.velez@mattermost.com>
Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

model/client4.go

@@ -7838,7 +7838,7 @@ func (c *Client4) ConfirmCustomerPayment(confirmRequest *ConfirmPaymentMethodReq
 	return BuildResponse(r), nil
 }
 
-func (c *Client4) RequestCloudTrial(email *ValidateBusinessEmailRequest) (*Subscription, *Response, error) {
+func (c *Client4) RequestCloudTrial(email *StartCloudTrialRequest) (*Subscription, *Response, error) {
 	payload, _ := json.Marshal(email)
 	r, err := c.DoAPIPutBytes(c.cloudRoute()+"/request-trial", payload)
 	if err != nil {
@@ -7852,8 +7852,9 @@ func (c *Client4) RequestCloudTrial(email *ValidateBusinessEmailRequest) (*Subsc
 	return subscription, BuildResponse(r), nil
 }
 
-func (c *Client4) ValidateBusinessEmail() (*Response, error) {
-	r, err := c.DoAPIPost(c.cloudRoute()+"/validate-business-email", "")
+func (c *Client4) ValidateBusinessEmail(email *ValidateBusinessEmailRequest) (*Response, error) {
+	payload, _ := json.Marshal(email)
+	r, err := c.DoAPIPostBytes(c.cloudRoute()+"/validate-business-email", payload)
 	if err != nil {
 		return BuildResponse(r), err
 	}