[Notifications] Improve job description when processing a single file
Don't require having a file name, instead using "1 file" as a placeholder.
- Downloading a single file from my webbrowser still shows "file to Downloads"
- Having a job with destUrl
trash:/
andtotalFiles
of 1 but no file name now gives me "1 file to Trash" rather than no text at all - Having a job with
totalFiles
of 1 but no destUrl or file name now shows "1 file" rather than no text at all