Let the user know when updating the queries fails

Components such as the queue and history should indicate when the most recent data queries have failed, possibly due to connection issues. They should display the last cached data along with a visual indicator to inform the user that the latest data update attempt was unsuccessful.

Start by locating the queue and history components and the code that performs their data queries. Confirm that cached data remains visible after a failed update, add a visible failure indicator, and verify both components show the expected state when a connection or query fails.

Written by the indexing model from the issue text.