Syncing warning about local path for attachments on GNU/Linux

[erpas]

A user reported they are warned each time about a local path for attachment on GNU/Linux machine even it is all configured properly with relative paths

[VitorVieiraZ]

Thanks for the report. I will transfer it to our plugin repository.

[harminius]

This happens when you save the Default path without Data defined override and then set DDO without removing the Deafult path. In that case we should not validate the DefaultRoot which stays present. for testing ^ @RastoHu

[RastoHu]

test OK