fix: filter out entities with empty ids

[aaron-steinfeld]

Description

Entity IDs that are present but empty strings attempt to create an invalid entity. This change filters out invalid values.

Testing

Added UTs

Checklist:

• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• Any dependent changes have been merged and published in downstream modules

[codecov]

Codecov Report

Merging #247 (0f3a1bf) into main (77d9b63) will increase coverage by 0.01%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##               main     #247      +/-   ##
============================================
+ Coverage     80.28%   80.30%   +0.01%     
  Complexity     1150     1150              
============================================
  Files           101      101              
  Lines          4444     4447       +3     
  Branches        416      416              
============================================
+ Hits           3568     3571       +3     
  Misses          680      680              
  Partials        196      196              

Flag	Coverage Δ
unit	80.30% <100.00%> (+0.01%)	⬆️

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Impacted Files	Coverage Δ
...race/reader/entities/DefaultTraceEntityReader.java	96.73% <100.00%> (+0.10%)	⬆️

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[github-actions]

Unit Test Results

  69 files  ±0    69 suites  ±0   56s ⏱️ +10s
366 tests +1  366 ✔️ +1  0 💤 ±0  0 ❌ ±0 

Results for commit fb0e15a. ± Comparison against base commit 77d9b63.