Added Symmetric and reflect modes to pad

[ParamThakkar123]

Proposed changes

Please include a description of the problem or feature this PR is addressing. If there is a corresponding issue, include the issue #2155.

Fixes #2155

Checklist

Put an x in the boxes that apply.

• [X I have read the CONTRIBUTING document
• [X] I have run pre-commit run --all-files to format my code / installed pre-commit prior to committing changes
• [X] I have added tests that prove my fix is effective or that my feature works
• [ ] I have updated the necessary documentation (if needed)