fix(options): combobox has no get method, only ["values"] works

[Guts]

No description provided.

[sonarcloud]

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 SonarCloud

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 23.62%. Comparing base (beb81a1) to head (2d91083).
Report is 4 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #332   +/-   ##
=======================================
  Coverage   23.62%   23.62%           
=======================================
  Files          43       43           
  Lines        2912     2912           
  Branches      402      402           
=======================================
  Hits          688      688           
  Misses       2176     2176           
  Partials       48       48           

Flag	Coverage Δ
unittests	23.62% <0.00%> (ø)

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Files	Coverage Δ
dicogis/utils/options.py	0.00% <0.00%> (ø)