refactor(pod): convert component code to typescript

[Parsium]

Proposed behaviour

• Refactor component, style and index files of Pod to typescript
• Update Pod such that if onEdit is a string, render edit button as a Link with a href instead of a to prop - which was deprecated some time ago (see commit for details)
• Update test stories file to typescript CSF
• Rewrite E2E cypress tests - which test the title, subtitle, footer and children props - to enzyme tests.
  • Due to an encountered storybook issue with visiting a story url, where the story args are not set using the url parameters as expected. The Storybook Args and/or Controls addons are suspected to be the cause.
• Amend Grid's E2E cypress tests - which use Pod, to be more generic so they are independent.

Current behaviour

• Pod is written in javascript and its test stores file is written in MDX

Checklist

• Commits follow our style guide
• Related issues linked in commit messages if required
• Screenshots are included in the PR if useful
• All themes are supported if required
• Unit tests added or updated if required
• Cypress automation tests added or updated if required
• Storybook added or updated if required
• Translations added or updated (including creating or amending translation keys table in storybook) if required
• Typescript d.ts file added or updated if required

QA

• Tested in CodeSandbox/storybook
• Add new Cypress test coverage if required
• Carbon implementation matches Design System/designs
• UI Tests GitHub check reviewed if required

Additional context

• Pod tests will be refactored to typescript in a separate PR - due to the complexity of the file.

Testing instructions

• Verify no regressions were introduced from this refactor.

[codesandbox-ci]

This pull request is automatically built and testable in CodeSandbox.

To see build info of the built libraries, click here or the icon next to each commit SHA.

Latest deployment of this branch, based on commit 64734b6:

Sandbox	Source
carbon-quickstart	Configuration
carbon-quickstart-typescript	Configuration

[cypress]

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Test summary

2539 • 0 • 2 • 0 • 0

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Run details

Project	carbon
Status	Passed
Commit	64734b6
Started	Sep 16, 2022 10:10 AM
Ended	Sep 16, 2022 10:15 AM
Duration	05:32 💡
OS	Linux Debian - 11.3
Browser	Chrome 103

View run in Cypress Dashboard ➡️

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