Try to cap incremental syncs from working on massive gaps

[S7evinK]

This should speed up incremental syncs.

[codecov]

Codecov Report

Attention: Patch coverage is 96.77419% with 1 lines in your changes are missing coverage. Please review.

Project coverage is 67.51%. Comparing base (46902e5) to head (fb5e1ab).

Files	Patch %	Lines
syncapi/storage/shared/storage_consumer.go	50.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3374   +/-   ##
=======================================
  Coverage   67.51%   67.51%           
=======================================
  Files         521      521           
  Lines       47366    47386   +20     
=======================================
+ Hits        31977    31992   +15     
- Misses      11405    11409    +4     
- Partials     3984     3985    +1     

Flag	Coverage Δ
unittests	52.76% <96.77%> (+0.01%)	⬆️

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