fix(core): Detect empty call logs

[atomrc]

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PR Submission Checklist for internal contributors

• The PR Title

  • conforms to the style of semantic commits messages¹ supported in Wire's Github Workflow²
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  • answers the question: If merged, this PR will: ... ³

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What's new in this PR?

Issues

Use dynamic method to detect if a call log is meaningful or not.

[codecov]

Codecov Report

Merging #12393 (7c2d6bf) into dev (5563223) will decrease coverage by 0.00%.
The diff coverage is 20.00%.

@@            Coverage Diff             @@
##              dev   #12393      +/-   ##
==========================================
- Coverage   44.93%   44.93%   -0.01%     
==========================================
  Files         566      566              
  Lines       25757    25755       -2     
  Branches     4411     4412       +1     
==========================================
- Hits        11573    11572       -1     
+ Misses      13212    13211       -1     
  Partials      972      972