fix missed dict constructors

[heckstrahler]

changelog not needed, already in

• [FIXED] cim2pp: minor speed increase through faster dict creation and removal of not needed .keys() call

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 74.69%. Comparing base (6566e30) to head (0bdd8c4).
⚠️ Report is 1 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #2742   +/-   ##
========================================
  Coverage    74.69%   74.69%           
========================================
  Files          294      294           
  Lines        36026    36026           
========================================
  Hits         26909    26909           
  Misses        9117     9117           

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