RemoteFilesDialog: set default filename in the save mode
RemoteFilesDialog: set default filename in the save mode

Change-Id: I4739c101ac6b57e5c17e912515b1c8bccce33b68

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core