fix(fossid-webapp): Ignore the archive prefix for marked files

[nnobelis]

This is a fixup for b1d627f.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 57.42%. Comparing base (21ba6f9) to head (3556d79).
⚠️ Report is 5 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##               main   #11041   +/-   ##
=========================================
  Coverage     57.42%   57.42%           
  Complexity     1703     1703           
=========================================
  Files           346      346           
  Lines         12835    12835           
  Branches       1215     1215           
=========================================
  Hits           7370     7370           
  Misses         4998     4998           
  Partials        467      467           

Flag	Coverage Δ
funTest-external-tools	13.50% <ø> (ø)
funTest-no-external-tools	31.20% <ø> (ø)
test-ubuntu-24.04	42.35% <ø> (ø)
test-windows-2025	42.33% <ø> (ø)

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[nnobelis]

@sschuberth the failure seems to be test flakiness.

If this is the case, can I get an approval ?

[sschuberth]

@sschuberth the failure seems to be test flakiness.

If this is the case, can I get an approval ?

Please just try retriggering individual tests (without force-pushing the whole branch). I've done this now for you.

But you need to find someone for a review still. I don't have time to immerse into FossID specific stuff today.