This includes the following data:
- Where we spawned the session from (gutter, scenario list, custom form
filled by the user)
- Which debug adapter was used
- Which dock the debugger is in

Closes #ISSUE

Release Notes:

- debugger: Added telemetry for new session experience that includes
data about:
    - How a session was spawned (gutter, scenario list or custom form)
    - Which debug adapter was used
    - Which dock the debugger is in

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Co-authored-by: Joseph T. Lyons <JosephTLyons@gmail.com>