Remove max-width for tooltips

The Maplibre docs say that `options.maxWidth` is "A string that sets the CSS property of the popup's maximum width, eg '300px' . To ensure the popup resizes to fit its content, set this property to 'none'"

https://maplibre.org/maplibre-gl-js-docs/api/markers/#popup

app/src/MaplibreMap.tsx

@@ -381,6 +381,7 @@ function MaplibreMap(props: { file: PMTiles }) {
     const popup = new maplibregl.Popup({
       closeButton: false,
       closeOnClick: false,
+      maxWidth: 'none',
     });
 
     mapRef.current = map;