fix: duplicate context insert

[skynet2]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 72.22222% with 5 lines in your changes are missing coverage. Please review.

Project coverage is 85.65%. Comparing base (0135225) to head (e920ad5).
Report is 1 commits behind head on main.

Files	Patch %	Lines
pkg/storage/mongodb/ldstore/context_store.go	72.22%	4 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1722      +/-   ##
==========================================
- Coverage   85.68%   85.65%   -0.03%     
==========================================
  Files         171      171              
  Lines       12027    12041      +14     
==========================================
+ Hits        10305    10314       +9     
- Misses       1267     1273       +6     
+ Partials      455      454       -1     

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