Smtp server detection 1125 v2.7

[catenacyber]

Link to ticket: https://redmine.openinfosecfoundation.org/issues/
https://redmine.openinfosecfoundation.org/issues/1125
https://redmine.openinfosecfoundation.org/issues/6821
https://redmine.openinfosecfoundation.org/issues/5491

Describe changes:

• smtp server detection (ie to_client)
• ftp server detection (ie to_client)
• smtp recognize more reply codes

SV_BRANCH=OISF/suricata-verify#1894

#11333 just rebased after QA analysis
It is good to have less ftp txs that should be really IRC txs/flows...
This PR does not add IRC detection, but brings improvements nevertheless

[codecov]

Codecov Report

Attention: Patch coverage is 86.74699% with 11 lines in your changes missing coverage. Please review.

Project coverage is 82.61%. Comparing base (223a419) to head (4736267).

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #11493      +/-   ##
==========================================
+ Coverage   82.56%   82.61%   +0.05%     
==========================================
  Files         938      938              
  Lines      248247   248311      +64     
==========================================
+ Hits       204961   205153     +192     
+ Misses      43286    43158     -128     

Flag	Coverage Δ
fuzzcorpus	60.79% <84.05%> (+0.12%)	⬆️
livemode	18.69% <11.59%> (-0.01%)	⬇️
pcap	43.82% <81.15%> (+0.16%)	⬆️
suricata-verify	61.56% <81.15%> (+<0.01%)	⬆️
unittests	59.43% <46.98%> (-0.01%)	⬇️

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

[suricata-qa]

WARNING:

field	baseline	test	%
	SURI_TLPW1_stats_chk
.app_layer.error.smtp.parser	409	42	10.27%
	SURI_TLPR1_stats_chk
.uptime	642	663	103.27%
.app_layer.flow.smtp	335817	347574	103.5%
.app_layer.flow.failed_tcp	178240	167211	93.81%
.app_layer.tx.ftp	101030	95373	94.4%
.app_layer.error.smtp.parser	527	144	27.32%
.ftp.memuse	10637	2878	27.06%

Pipeline 21537

[victorjulien]

Merged in #11515, thanks!