Description

Support multiple choices with checkboxes in Mesop

Type of change

Please delete options that are not relevant.

[ ] Documentation (typos, code examples, or any documentation updates)
[ ] Bug fix (a non-breaking change that resolves an issue)
[x] New feature (a non-breaking change that adds functionality)
[ ] Breaking change (a fix or feature that would disrupt existing functionality)
[ ] This change requires a documentation update

[ ] My code adheres to the style guidelines of this project (scripts/lint.sh shows no errors)
[ ] I have conducted a self-review of my own code
[ ] I have made the necessary changes to the documentation
[ ] My changes do not generate any new warnings
[ ] I have added tests to validate the effectiveness of my fix or the functionality of my new feature
[ ] Both new and existing unit tests pass successfully on my local environment by running scripts/test-cov.sh
[ ] I have ensured that static analysis tests are passing by running scripts/static-anaylysis.sh
[ ] I have included code examples to illustrate the modifications

Files with missing lines	Patch %	Lines
fastagency/ui/mesop/message.py	0.00%	39 Missing :warning:
fastagency/ui/mesop/components/inputs.py	0.00%	1 Missing :warning:
fastagency/ui/mesop/data_model.py	0.00%	1 Missing :warning:

Files with missing lines	Coverage Δ
fastagency/ui/mesop/base.py	`0.00% <ø> (ø)`
fastagency/ui/mesop/components/inputs.py	`0.00% <0.00%> (ø)`
fastagency/ui/mesop/data_model.py	`0.00% <0.00%> (ø)`
fastagency/ui/mesop/message.py	`0.00% <0.00%> (ø)`