Updated required role for user report page GET API (#27529)

* Updated required role for user report page GET API

* Updated permission in error message

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Co-authored-by: Mattermost Build <build@mattermost.com>

server/channels/api4/report.go

@@ -76,7 +76,7 @@ func getUserCountForReporting(c *Context, w http.ResponseWriter, r *http.Request
 
 func startUsersBatchExport(c *Context, w http.ResponseWriter, r *http.Request) {
 	if !(c.IsSystemAdmin()) {
-		c.SetPermissionError(model.PermissionSysconsoleReadUserManagementUsers)
+		c.SetPermissionError(model.PermissionManageSystem)
 		return
 	}