Mm 52577 Tie use of Stripe (or its mock) to use of CWS (or its mock) (#23277)

* set config CWSMock value according to model.MockCWS

server/config/client.go

@@ -93,6 +93,7 @@ func GenerateClientConfig(c *model.Config, telemetryID string, license *model.Li
 	props["EnableEmailInvitations"] = strconv.FormatBool(*c.ServiceSettings.EnableEmailInvitations)
 
 	props["CWSURL"] = *c.CloudSettings.CWSURL
+	props["CWSMock"] = model.MockCWS
 
 	props["DisableRefetchingOnBrowserFocus"] = strconv.FormatBool(*c.ExperimentalSettings.DisableRefetchingOnBrowserFocus)