ref(event tracker) use consumer_type

[victoria-yining-huang]

use consumer_type which is more aligned with pipeline names data.get("event_type") has a bunch of other values other than the general pipeline names

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

:white_check_mark: All tests successful. No failed tests found.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #81080 +/- ## ========================================== + Coverage 78.49% 80.36% +1.87% ========================================== Files 7215 7217 +2 Lines 319793 319837 +44 Branches 44034 20727 -23307 ========================================== + Hits 251009 257030 +6021 - Misses 62399 62414 +15 + Partials 6385 393 -5992 ```