fix: include Licenses and ConsumerGroups in sanitized copies of config

[czeslavo]

What this PR does / why we need it:

We missed adding Licenses and ConsumerGroups to the sanitized copies. This PR adds them, as well as improves tests to catch such cases in the future automatically.

PR Readiness Checklist:

Complete these before marking the PR as ready to review:

• the CHANGELOG.md release notes have been updated to reflect any significant (and particularly user-facing) changes introduced by this PR

[codecov]

Codecov Report

Patch coverage: 93.7% and project coverage change: +0.1% 🎉

Comparison is base (3bb59ca) 67.8% compared to head (3eaaa7c) 67.9%.
Report is 2 commits behind head on main.

❗ Current head 3eaaa7c differs from pull request most recent head 63a1c06. Consider uploading reports for the commit 63a1c06 to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##            main   #4710     +/-   ##
=======================================
+ Coverage   67.8%   67.9%   +0.1%     
=======================================
  Files        164     165      +1     
  Lines      19289   19303     +14     
=======================================
+ Hits       13083   13115     +32     
+ Misses      5432    5418     -14     
+ Partials     774     770      -4     

Files Changed	Coverage Δ
internal/dataplane/deckgen/generate.go	62.6% <0.0%> (ø)
internal/dataplane/kongstate/kongstate.go	74.0% <100.0%> (+0.3%)	⬆️
internal/dataplane/kongstate/license.go	100.0% <100.0%> (ø)
internal/dataplane/parser/parser.go	82.8% <100.0%> (-0.2%)	⬇️

... and 5 files with indirect coverage changes

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