Fix WAL persistance

[thomaskrause]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 98.27586% with 1 line in your changes missing coverage. Please review.

Project coverage is 67.70%. Comparing base (18b57d2) to head (e39b1bd).
Report is 10 commits behind head on main.

Files with missing lines	Patch %	Lines
core/src/graph/update.rs	0.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #311      +/-   ##
==========================================
+ Coverage   67.49%   67.70%   +0.20%     
==========================================
  Files          77       76       -1     
  Lines       18967    18960       -7     
  Branches    18967    18960       -7     
==========================================
+ Hits        12801    12836      +35     
+ Misses       4694     4663      -31     
+ Partials     1472     1461      -11     

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