Searchable settings puts expand/collapse toggle in an invalid state.
We have a feature in the expandable settings panel (initially added in !11698 (merged), now expanding to other settings pages !12620 (merged)) in which you can search for a term and if it exists in an unexpanded panel, it will auto-expand to highlight the query string.
However, when it expands, it seems to put the "collapse" button in an odd state because clicking it simply starts the "expand" animation again. Clicking it a second time finally collapses it as expected. See the following screen capture: