fix: Changing reference of paramName to baseName to avoid removal of period in parameter name

[AsabuHere]

Closes

DII-782 Broken CreateParticipantOptions parameters in v6 of twilio-csharp library
A short description of what this PR does.
PR with csharp changes for above story which is fixed in twilio-oai-generator

Checklist

• I acknowledge that all my contributions will be made under the project's license
• I have made a material change to the repo (functionality, testing, spelling, grammar)
• I have read the Contribution Guidelines and my PR follows them
• I have titled the PR appropriately
• I have updated my branch with the main branch
• I have added tests that prove my fix is effective or that my feature works
• I have added the necessary documentation about the functionality in the appropriate .md file
• I have added inline documentation to the code I modified

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[childish-sambino]

PR title needs to be updated to better describe changes and conform to linter.

[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

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