IE support related changes

[MoumitaM]

Description of the change

• Added logic for camelcase rather that using a NPM package.
• Set a specific version(3.0.2) of the set-value package where Reflect feature is not being used.
• Used the polyfill builder to build a CDN and dynamically load the package if any of the below features are missing.

1. Array.find
2. Array.includes
3. Promise
4. String.endsWith
5. String.includes
6. String.startsWith
7. Object.entries

Type of change

• Bug fix (non-breaking change that fixes an issue)
• New feature (non-breaking change that adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Related issues

Fix #1

Checklists

Development

• Lint rules pass locally
• The code changed/added as part of this pull request has been covered with tests
• All tests related to the changed code pass in development

Code review

• This pull request has a descriptive title and information useful to a reviewer. There may be a screenshot or screencast attached
• "Ready for review" label attached to the PR and reviewers mentioned in a comment
• Changes have been reviewed by at least one other engineer
• Issue from task tracker has a link to this pull request

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