Frontend: Scan: Once the scan is finished, make sure to garbage collect the scan_session

Signed-off-by: Jerome Flesch <jflesch@gmail.com>
Frontend: Fix scan process when OCR is disabled

Signed-off-by: Jerome Flesch <jflesch@gmail.com>
Merge branch 'testing' into unstable
Merge branch 'unstable' of github.com:jflesch/paperwork into unstable