Project opens on project closing

1. Set a file read-only: "test/_common_data/scenarios/msa/ma.aln".
2. Open it with UGENE.
3. Change the alignment (e.g. insert a gap).
4. Close the project.
Expected state: you are offered to save the project.
5. Do not save the project.
Expected state: you are offered to save the file.
6. Accept the offer.
Expected state: UGENE notices that it can't rewrite the file, it offers you to save the file to another location.
7. Save the file anywhere.
Expected state: the project closes, the file is successfully saved.
Current state: additionally the saved file is opened in UGENE. So, the project is not closed.