perf: optimize TID entry lookup

[cheb0]

Description

Redoing what was done previously, but more efficient. Mostly not possible to feel the difference except for aggregations with huge amount of bins in QPR.

Roughly _exists_:k8s_pod | by k8s_pod: ~460 ms => ~320 ms (hot query)

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• I have read and followed all requirements in CONTRIBUTING.md;

[codecov-commenter]

Codecov Report

❌ Patch coverage is 70.83333% with 7 lines in your changes missing coverage. Please review.
✅ Project coverage is 70.65%. Comparing base (98c583d) to head (177ddbf).

Files with missing lines	Patch %	Lines
frac/sealed/token/table.go	57.14%	4 Missing and 2 partials ⚠️
frac/processor/aggregator.go	75.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #454      +/-   ##
==========================================
- Coverage   70.67%   70.65%   -0.03%     
==========================================
  Files         226      226              
  Lines       17611    17614       +3     
==========================================
- Hits        12447    12445       -2     
- Misses       4238     4241       +3     
- Partials      926      928       +2     

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