chore: fixed baseName error in PHP

[tiwarishubham635]

Fixes

Removing overwriting of baseName in PHP to process response model correctly

Checklist

• I acknowledge that all my contributions will be made under the project's license
• Run make test-docker
• Verify affected language:
  • Generate twilio-php from our OpenAPI specification and inspect the diff
  • Run make test in twilio-php
  • Create a pull request in twilio-php
  • Provide a link below to the pull request
• 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

If you have questions, please create a GitHub Issue in this repository.

[sonarqubecloud]

Quality Gate passed for 'twilio-oai-generator-php'

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

[sonarqubecloud]

Quality Gate passed for 'twilio-oai-generator-java'

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

[sonarqubecloud]

Quality Gate passed for 'twilio-oai-generator-node'

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

[sonarqubecloud]

Quality Gate passed for 'twilio-oai-generator-python'

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

[tiwarishubham635]

PHP changes to preview - twilio/twilio-php#838