bug: fix ctl process manager initialization non-interactive

[wagner-intevation]

if the intelmq controller class is initiated non-interactively the
process manager instance was not initiated
this caused the intelmqdump tool to crash when retrieving the status of
a bot

fixes #2188

[codecov-commenter]

Codecov Report

Merging #2189 (5db3c36) into develop (cda1a9f) will decrease coverage by 0.40%.
The diff coverage is 0.00%.

@@             Coverage Diff             @@
##           develop    #2189      +/-   ##
===========================================
- Coverage    76.34%   75.93%   -0.41%     
===========================================
  Files          441      441              
  Lines        23649    23318     -331     
  Branches      3739     3434     -305     
===========================================
- Hits         18055    17707     -348     
- Misses        4857     4873      +16     
- Partials       737      738       +1     

Impacted Files	Coverage Δ
intelmq/bin/intelmqctl.py	9.19% <0.00%> (-0.12%)	⬇️
intelmq/bots/experts/mcafee/expert_mar.py	35.55% <0.00%> (-8.89%)	⬇️
intelmq/bots/experts/cymru_whois/_lib.py	17.02% <0.00%> (-5.76%)	⬇️
intelmq/bots/experts/modify/expert.py	92.00% <0.00%> (-5.34%)	⬇️
intelmq/bots/parsers/dshield/parser_domain.py	95.45% <0.00%> (-4.55%)	⬇️
intelmq/tests/lib/test_exceptions.py	95.65% <0.00%> (-4.35%)	⬇️
intelmq/bots/experts/abusix/_lib.py	36.84% <0.00%> (-3.16%)	⬇️
intelmq/tests/bots/collectors/rt/test_collector.py	69.44% <0.00%> (-3.06%)	⬇️
intelmq/bots/parsers/dshield/parser_block.py	87.50% <0.00%> (-2.50%)	⬇️
intelmq/bots/collectors/opendxl/collector.py	31.14% <0.00%> (-2.19%)	⬇️
... and 259 more