use ToWide instead of ToNative. can probably be repeated/remove unuse…

…d stuff later

src/base/UFilesystem.pas

@@ -439,7 +439,7 @@ function TFileSystemImpl.ExcludeTrailingPathDelimiter(const FileName: IPath): IP
 
 function TFileSystemImpl.FindFirst(const FilePattern: IPath; Attr: integer; var F: TSytemSearchRec): integer;
 begin
-  Result := SysUtils.FindFirst(FilePattern.ToNative(), Attr, F);
+  Result := SysUtils.FindFirst(FilePattern.ToWide(), Attr, F);
 end;
 
 function TFileSystemImpl.FindNext(var F: TSytemSearchRec): integer;