1. Open file "data/samples/Genbank/murine.gb"
2. Launch WD
3. Drag'n'drop sequence object "NC_001363" from project view to the workflow scene
Expected state: Worker choosing dialog ("ChooseItemDialog" in sources) has appeared
Current state: nothing happens
1. Open file "data/samples/FASTA/human_T1.fa"
2. Launch WD
3. Drag'n'drop sequence object "human_T1..." from project view to the workflow scene
Expected state: Worker choosing dialog has appeared
4. Choose any worker type in the dialog, press OK
Expected state: Chosen worker has been added to the scene, file "human_T1.fa" is set to its input
Current state: nothing happens