chore(core): Update outdated comments in filestream

[timoffex]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 75.79%. Comparing base (865a816) to head (58ed40c).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #7623      +/-   ##
==========================================
- Coverage   75.80%   75.79%   -0.01%     
==========================================
  Files         502      502              
  Lines       54048    54048              
==========================================
- Hits        40970    40965       -5     
- Misses      12671    12675       +4     
- Partials      407      408       +1     

Flag	Coverage Δ
func	41.11% <ø> (-0.04%)	⬇️
system	63.44% <ø> (-0.02%)	⬇️
unit	56.39% <ø> (+0.03%)	⬆️

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Files	Coverage Δ
core/pkg/filestream/updatehistory.go	37.14% <ø> (ø)
core/pkg/filestream/updatesummary.go	36.66% <ø> (ø)

... and 9 files with indirect coverage changes