Fix decimal INF, NEG_INF, NAN values

[alex268]

No description provided.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 81.25000% with 3 lines in your changes missing coverage. Please review.

Project coverage is 47.40%. Comparing base (7e303cb) to head (6735da1).

Files with missing lines	Patch %	Lines
.../main/java/tech/ydb/table/values/DecimalValue.java	81.25%	2 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #323      +/-   ##
============================================
+ Coverage     47.39%   47.40%   +0.01%     
- Complexity     1732     1739       +7     
============================================
  Files           305      305              
  Lines         12380    12381       +1     
  Branches       1237     1235       -2     
============================================
+ Hits           5867     5869       +2     
  Misses         6051     6051              
+ Partials        462      461       -1     

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