bug fix in create_manifest_with_alignments and create_new_ctm_entry
This PR is stale because it has been open for 14 days with no activity. Remove stale label or comment or update or this will be closed in 7 days. This PR was closed because it has been inactive for 7 days since being marked as stale.
# What does this PR do ?

Bug fix in diarization scripts

# Changelog 
- Call of `get_ctm_line function` in `create_new_ctm_entry` with `conf=0` raises error due to later type check, should be `conf=0.0`
- In function `create_manifest_with_alignments` the call of `get_seg_info_from_ctm_line` should return tuple `start, end, speaker_id`

