dcerpc: consume bytes after gap resync

[catenacyber]

Link to ticket: https://redmine.openinfosecfoundation.org/issues/
https://issues.oss-fuzz.com/u/1/issues/476224478

Describe changes:

• dcerpc: consume bytes after gap resync

Re-applies commit 8c3bd3e which was reverted in f64aec9

#14646 without debug leftovers

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 82.11%. Comparing base (c333b28) to head (a17e47e).
⚠️ Report is 8 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #14655      +/-   ##
==========================================
- Coverage   82.11%   82.11%   -0.01%     
==========================================
  Files        1011     1011              
  Lines      262812   262814       +2     
==========================================
- Hits       215812   215805       -7     
- Misses      47000    47009       +9     

Flag	Coverage Δ
fuzzcorpus	60.21% <100.00%> (+0.03%)	⬆️
livemode	18.73% <0.00%> (+0.02%)	⬆️
pcap	44.58% <33.33%> (-0.02%)	⬇️
suricata-verify	65.30% <50.00%> (+0.01%)	⬆️
unittests	59.27% <16.66%> (-0.01%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[suricata-qa]

Information: QA ran without warnings.

Pipeline = 29188

[victorjulien]

Merged in #14673, thanks!