Updates migration tests to reflect front-end mapping changes. (#8237)

utils/config.go

@@ -354,7 +354,7 @@ func GenerateClientConfig(c *model.Config, diagnosticId string) map[string]strin
 
 	props["SiteURL"] = strings.TrimRight(*c.ServiceSettings.SiteURL, "/")
 	props["SiteName"] = c.TeamSettings.SiteName
-	props["EnableTeamCreation"] = strconv.FormatBool(c.TeamSettings.EnableTeamCreation)
+	props["EnableTeamCreation"] = strconv.FormatBool(*c.TeamSettings.EnableTeamCreation)
 	props["EnableUserCreation"] = strconv.FormatBool(c.TeamSettings.EnableUserCreation)
 	props["EnableOpenServer"] = strconv.FormatBool(*c.TeamSettings.EnableOpenServer)
 	props["RestrictDirectMessage"] = *c.TeamSettings.RestrictDirectMessage