Output alert applayer v4

[catenacyber]

Link to redmine ticket:
None, preliminary work for https://redmine.openinfosecfoundation.org/issues/5053 and app-layer plugins
Continuation of #8772

Describe changes:

• Fix setup-app-layer script so that it adds app-layer metadata to alerts
• Adds ftp metadata to alerts
• Adds tftp metadata to alerts
• Adds krb5 metadata to alerts
• Removes tx_id from ssh and http2 logging

Continues #8884 by removing tx_id from ssh and http2 logging

SV_BRANCH=pr/1196

OISF/suricata-verify#1196

Still to do :

• Create tickets for missing protocols : pgsql, dcerpc, dhcp,
• Any ideas about the commit segmentation ?

[suricata-qa]

Information: QA ran without warnings.

Pipeline 13820

[codecov]

Codecov Report

Merging #8893 (d544917) into master (3247e39) will decrease coverage by 3.56%.
The diff coverage is 84.24%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #8893      +/-   ##
==========================================
- Coverage   82.30%   78.74%   -3.56%     
==========================================
  Files         969      957      -12     
  Lines      273335   272587     -748     
==========================================
- Hits       224960   214654   -10306     
- Misses      48375    57933    +9558     

Flag	Coverage Δ
fuzzcorpus	64.73% <84.24%> (+0.14%)	⬆️
suricata-verify	?
unittests	63.07% <24.84%> (+0.12%)	⬆️

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

[catenacyber]

Well the change for ssh from LOG_DIR_FLOW to LOG_DIR_PACKET seems to imply changes

[catenacyber]

Replaced by #8922