Refactored cell.jsx to functional component

[Raman-Luhach]

Refactored cell.jsx from class-based to functional-based component.

This is my first contribution to volto. Please give feedback and I will try to rectify that.

[netlify]

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[stevepiercy]

@Raman-Luhach thank you for your contribution! Here are some things to address.

The change log check fails with this message https://github.com/plone/volto/actions/runs/10047245268/job/27768503949?pr=6182. You need to move the change log entry to the appropriate package, packages/volto-slate, per Change log entry.

Next run acceptance tests locally before creating a pull request according to Acceptance tests. Two GitHub workflows currently fail. That could be a flaky test. When you run tests locally, it is easier to compare against GitHub workflows and debug the issue. If tests pass locally, but fail in GitHub workflows, then post a comment with details and ask for assistance if you need help.

Finally keep your feature branch current with main. See Update your pull request from your fork.

[stevepiercy]

@Raman-Luhach CI checks still fail. Please resolve them.

[stevepiercy]

@sneridagh this is another PR that was not listed in #4460, but that list may have been before the monorepo and splitting out volto-slate. Please advise.

[davisagli]

This is already in progress in #4963