* TimeSeries: share cursor with old graph * Typo fix * Fix typecheck errors * Revert "TimeSeries: share cursor with old graph" This reverts commit 1e7dd4f6270612ceb391f8ae9687ad4b64a5ac7e. * Graph: subscribe to DataHoverEvent * Revert "Fix typecheck errors" This reverts commit 737c8ea8c1f972fd806061842b2985b8dac96214.