Revert "Revert "Consolidate split panel handling, save divider locations to local storage""
Summary: This re-applies https://dagster.phacility.com/D1216 and fixes infinite height adjustment by adding an explicit height to the LogsScrollingTable. For some reason this is required in Chrome but was working fine in FF.
Test Plan: View runs page
Reviewers: #ft, alangenfeld
Reviewed By: #ft, alangenfeld
Differential Revision: https://dagster.phacility.com/D1253