[O2B-532] Minor improvements to selection dropdown

[martinboulais]

I have a JIRA ticket

• branch and/or PR name(s) include(s) JIRA ID
• issue has "Fix version" assigned
• issue "Status" is set to "In review"
• PR labels are selected

Notable changes for users:

• Radio buttons are displayed in selection dropdown when options are exclusives

Notable changes for developers:

• Custom selector can be applied in selection dropdown options for values that are not CSS valid

Changes made to the database:

• N/A

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 13 lines in your changes missing coverage. Please review.

Project coverage is 44.04%. Comparing base (86f5f39) to head (4b39d51).

Files with missing lines	Patch %	Lines
...nts/common/selection/dropdown/selectionDropdown.js	0.00%	7 Missing ⚠️
...blic/components/common/selection/SelectionModel.js	0.00%	4 Missing ⚠️
...lters/common/combinationOperatorChoiceComponent.js	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1828      +/-   ##
==========================================
- Coverage   44.06%   44.04%   -0.03%     
==========================================
  Files         889      889              
  Lines       15869    15878       +9     
  Branches     2993     2997       +4     
==========================================
  Hits         6993     6993              
- Misses       8876     8885       +9     

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