fix(#4164): client reg with spring boot configured to use snake case

[riky2124]

No description provided.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 94.73684% with 1 line in your changes missing coverage. Please review.

Project coverage is 82.31%. Comparing base (4f9d0ae) to head (4aa6a57).
Report is 2183 commits behind head on master.

Files with missing lines	Patch %	Lines
...server/utils/jackson/RegistrationDeserializer.java	94.73%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #4208      +/-   ##
============================================
- Coverage     83.64%   82.31%   -1.33%     
+ Complexity     1247     1232      -15     
============================================
  Files           156      164       +8     
  Lines          3644     4145     +501     
  Branches        258      266       +8     
============================================
+ Hits           3048     3412     +364     
- Misses          464      610     +146     
+ Partials        132      123       -9     

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