AccountWizard: Refactor Dialog

- Adapt to new Assistant methods
- Don’t force custom host on Advanced page
2 jobs for master in 4 minutes and 23 seconds (queued for 5 minutes and 8 seconds)
Status Job ID Name Coverage
  Test
failed #21981
code-quality

00:02:40

 
  Build
passed #21983
windows

00:01:42

 
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=16949 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