Merge pull request #1870 from Decodetalkers/fix_extension_onlinux

fix: extension on linux

Author: vicajilau

lib/src/linux/filters.dart

@@ -28,7 +28,7 @@ class Filter {
         final custom = [...?allowedExtensions];
         List<(int, String)> customList = [];
         for (var filter in custom) {
-          customList.add((0, filter));
+          customList.add((0, "*.$filter"));
         }
         info["Custom"] = customList;
       case FileType.image:

test/linux/xdp_filter_test.dart

@@ -65,7 +65,7 @@ void main() {
           ]));
     });
     test('custom test', () {
-      final filter = Filter(FileType.custom, ["*.txt", "*.utau"]);
+      final filter = Filter(FileType.custom, ["txt", "utau"]);
 
       expect(
           filter.info["Custom"],