fix(metadata): truncate the WAL suffix above the state-transfer floor

[numinnex]

No description provided.

[numinnex]

Merge after #3915

[codecov]

Codecov Report

❌ Patch coverage is 98.83721% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 68.05%. Comparing base (565e1a7) to head (7e2218e).
⚠️ Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
core/metadata/src/impls/metadata.rs	98.52%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@              Coverage Diff              @@
##             master    #3918       +/-   ##
=============================================
- Coverage     83.82%   68.05%   -15.77%     
  Complexity     1358     1358               
=============================================
  Files          1212     1211        -1     
  Lines        166582   148406    -18176     
  Branches     134056   116006    -18050     
=============================================
- Hits         139632   101004    -38628     
- Misses        23312    43675    +20363     
- Partials       3638     3727       +89     

Components	Coverage Δ
Rust Core	64.48% <92.85%> (-20.10%)	⬇️
Java SDK	66.67% <ø> (ø)
C# SDK	74.99% <ø> (-1.56%)	⬇️
Python SDK	90.00% <ø> (ø)
PHP SDK	84.48% <ø> (ø)
Node SDK	94.03% <ø> (-1.92%)	⬇️
Go SDK	68.32% <ø> (ø)

Files with missing lines	Coverage Δ
core/consensus/src/impls.rs	91.16% <ø> (ø)
core/shard/src/lib.rs	81.29% <100.00%> (+0.20%)	⬆️
core/metadata/src/impls/metadata.rs	86.95% <98.52%> (+0.34%)	⬆️

... and 336 files with indirect coverage changes

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