Legacy context API implementation - React 17.x readiness

[bradjones1]

Warning: Legacy context API has been detected within a strict-mode tree.

The old API will be supported in all 16.x releases, but applications using it should migrate to the new version.

Please update the following components: WithData(Photos)

Learn more about this warning here: https://reactjs.org/link/legacy-context

[hongaar]

Hi @bradjones1, thanks for reporting this. I have no time currently to look at this but I'll leave the issue open. Feel free to contribute a PR, I'd be happy to review it.