MESSENGER-4093 scan permalinks as qr

bwi/AppConfig/AppConfigService.swift

@@ -158,10 +158,8 @@ extension UserDefaults
             return "https://" + url
         }  else if let url = ServerURLHelper.shared.httpsPermalink() {
             return url
-        } else if let url = BuildSettings.clientPermalinkBaseUrl {
-            return url
         } else {
-            return nil
+            return BWIBuildSettings.shared.clientPermalinkBaseUrl
         }
     }