Simplify getting flow from an event

[rowanseymour]

No description provided.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 76.47059% with 4 lines in your changes missing coverage. Please review.

Project coverage is 62.02%. Comparing base (7ec8355) to head (42c552e).

Files with missing lines	Patch %	Lines
core/handlers/warning.go	0.00%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #395      +/-   ##
==========================================
- Coverage   62.04%   62.02%   -0.02%     
==========================================
  Files         195      195              
  Lines       13866    13854      -12     
==========================================
- Hits         8603     8593      -10     
+ Misses       4351     4349       -2     
  Partials      912      912              

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