Clear Content From AwesomeMaps During ScrollList Refresh

Problem
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Stale content was lingering in the DOM after refreshing the ScrollList.

Solution
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Ensure the content is cleared.

Unit Tests
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Added

How To +10/QA
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- Travis CI should pass.

@lancefisher-wf @robbecker-wf @patkujawa-wf @georgelesica-wf @tomconnell-wf @todbachman-wf