detect: set mpm/prefilter during signature parsing

[victorjulien]

In preparation of flowbit prefilter work that needs this info earlier.

Track potential prefilter sm's to avoid unnecessary looping during setup.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 82.48%. Comparing base (05853fb) to head (363e1a2).

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #12382      +/-   ##
==========================================
+ Coverage   82.46%   82.48%   +0.01%     
==========================================
  Files         914      914              
  Lines      258316   258279      -37     
==========================================
  Hits       213030   213030              
+ Misses      45286    45249      -37     

Flag	Coverage Δ
fuzzcorpus	60.38% <58.33%> (+<0.01%)	⬆️
livemode	19.40% <47.22%> (+<0.01%)	⬆️
pcap	44.32% <50.00%> (-0.02%)	⬇️
suricata-verify	63.27% <91.66%> (+<0.01%)	⬆️
unittests	58.07% <86.25%> (+<0.01%)	⬆️

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

[suricata-qa]

WARNING:

field	baseline	test	%
	SURI_TLPR1_stats_chk
.uptime	651	629	96.62%

Pipeline 24191