fix: fix segments display crashing (#2770)

[khvn26]

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Changes

This fixes issues with segments retrieval crashing when a trait value type unsupported by a segment operator is stored.
The new Flagsmith engine version performs necessary runtime checks to avoid this.

How did you test this code?

Relevant test cases have been added to Flagsmith engine's test suite.

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Name	Status	Preview	Updated (UTC)
docs	✅ Ready (Inspect)	Visit Preview	Sep 19, 2023 9:37am
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[codecov-commenter]

Codecov Report

Patch and project coverage have no change.

Comparison is base (fce2e3a) 95.53% compared to head (cabec54) 95.53%.
Report is 3 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2789   +/-   ##
=======================================
  Coverage   95.53%   95.53%           
=======================================
  Files         994      994           
  Lines       28072    28072           
=======================================
  Hits        26818    26818           
  Misses       1254     1254           

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