Fix lastModified for deactivated maps (DateFormat)

[RZR-UA]

16:04:17.723  E  DownloadResources java.text.ParseException: Unparseable date: "12/1/24" {AsyncTask #2}
16:04:17.723  E  DownloadResources java.text.ParseException: Unparseable date: "11/11/24" {AsyncTask #2}
16:04:17.725  E  DownloadResources java.text.ParseException: Unparseable date: "12/1/24" {AsyncTask #2}
16:04:17.725  E  DownloadResources java.text.ParseException: Unparseable date: "12/1/24" {AsyncTask #2}