[BugReporter] Attachments with equal names are not available in FogBugz

1. What happened

2. How we can reproduce it using the example you attached

1. Attach file (e.g. report.csv) from any folder_X.
2. Attach file with same name (report.csv) from any folder_Y.
3. Attach folder (e.g. "Project settings") from any folder_X.
4. Attach folder with same name ("Project settings") from any folder_Y.

Actual result:
Links in FB will look like:
ProjectSettings.zip: http://bugs04.unity3d.com/fogfiles/790813_vc1mur6l672o5otk/case_790813-ProjectSettings.zip
ProjectSettings.zip(2): http://bugs04.unity3d.com/fogfiles/790813_vc1mur6l672o5otk/case_790813-ProjectSettings.zip_2_
report.csv: http://bugs04.unity3d.com/fogfiles/790813_vc1mur6l672o5otk/case_790813-report.csv
report.csv(2): http://bugs04.unity3d.com/fogfiles/790813_vc1mur6l672o5otk/case_790813-report.csv_2_

Second file/folder is unavailable.

Expected result: Both files are available.

Workaround: Open folder with all files attached to report.