Mouse click and hover support added to the settings list

What

Mouse support was added to the settings/preferences full-screen list.

• Each row in the settings list now handles onClick, onMouseEnter, and onMouseLeave, and a hovered row shows a dim pointer glyph that is visually distinct from the keyboard-selected row.
• The settings search input gained an onFocus handler that clears any existing search query when focused.
• The underlying text-rendering component used throughout the UI now forwards onMouseEnter and onMouseLeave props to the underlying ink-text element, alongside its existing style and accessibility props, which is what makes row-level hover detection possible.

Why

This lets you navigate and interact with the settings screen using a mouse, not just the keyboard, and lets you see at a glance which row your pointer is over versus which one is keyboard-selected.