[SERVICES-1877] farm v2 events

[claudiulataretu]

Reasoning

• missing handlers for farm v2 events

Proposed Changes

• added new methods to handle farm v2 events
• update rabbitmq handler to handle farm v2 events using new handlers

How to test

• with ENABLE_EVENTS_NOTIFIER=true farm v2 events should be handled

[codecov]

Codecov Report

All modified lines are covered by tests ✅

Comparison is base (8579f0a) 56.14% compared to head (0100d87) 56.14%.
Report is 1 commits behind head on development.

Additional details and impacted files

@@             Coverage Diff              @@
##           development    #1205   +/-   ##
============================================
  Coverage        56.14%   56.14%           
============================================
  Files              235      235           
  Lines             7826     7826           
  Branches           519      519           
============================================
  Hits              4394     4394           
  Misses            2990     2990           
  Partials           442      442           

Flag	Coverage Δ
unittests	56.14% <ø> (ø)

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