[CS] Remove latch injection in #dial

This was never being used
[CS] Add #dial_and_confirm which will execute confirmation controllers in parallel
[CS] Add specs to ensure behaviour of #dial's serialised confirmation survives
[BUGFIX] Use new rayo end reason on hangup commands
[FEATURE] Execute confirmation controllers on all answered calls (#dial_and_confirm)

Forcefully hangup all other calls when one completes confirmation.
[CS] Make it easier to read test logs by mocking call IDs such that they are included
[CS] Individual call status should include :lost_confirmation
[FEATURE] When a call confirms, execute controllers on others before hanging them up
[BUGFIX] Confirmation apology controller should share confirmation metadata
[CS] More appropriate #dial logging

Log at info level, differentiate forced hangups for answer race vs confirmation race
[CS] Clearer logging on call end
Merge branch 'feature/parallel_confirmation' into develop