Resolve "Webpack Roadmap"

Constance Okoghenunrequested to merge
38869-milestone-select into master

What does this MR do?

Exports the MilestoneSelect as an ES module & then imports it into the different required files. This removes MilestoneSelect from the global scope.

What are the relevant issue numbers?

Closes #38869 (moved)

Edited by Constance Okoghenun

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