Show a notification if some of the paths are skipped during a drag&drop.

Related to #10544
6 jobs for notif-skipped in 5 minutes and 4 seconds (queued for 79 minutes and 41 seconds)
Status Job ID Name Coverage
  Test
failed #22005
code-quality

00:02:52

failed #22001
code-quality

canceled #22003
code-quality

 
  Build
passed #22006
linux

00:02:11

failed #22002
linux

canceled #22004
linux

 
Name Stage Failure
failed
code-quality Test
gajim/gtk/account_wizard.py:502: error: Dict entry 0 has incompatible type "str": "Tuple[Any, None, Tuple[Type[str]]]"; expected "str": "Tuple[Any, None, Tuple[]]"
Found 1 error in 1 file (checked 216 source files)
Uploading artifacts for failed job
Uploading artifacts...
Runtime platform
arch=amd64 os=linux pid=21884 revision=943fc252 version=13.7.0
WARNING: coverage.xml: no matching files
ERROR: No files to upload
Cleaning up file based variables
ERROR: Job failed: exit status 1