Return 'SSB' for LSB and USB submodes in Lotw

Updated the Lotw controller to return 'SSB' instead of 'LSB' or 'USB' when the submode is LSB or USB. This change ensures consistent handling of SSB submodes.

application/controllers/Lotw.php

@@ -1419,10 +1419,10 @@ class Lotw extends CI_Controller {
 				}
 			case "SSB":
 				if ($submode == "LSB") {
-					return "LSB";
+					return "SSB";
 					break;
 				} elseif ($submode == "USB") {
-					return "USB";
+					return "SSB";
 					break;
 				} else {
 					return "SSB";