Stabilize programmatic map fitting

backend/tests/test_sprint186_map_first_geographic_explorer.py

@@ -47,7 +47,7 @@ def test_map_rectangle_drag_is_wired_to_automatic_analysis() -> None:
     assert "new ResizeObserver" in geomap
     assert "resizeObserver.observe(containerRef.current)" in geomap
     assert "fitDataOnChangeRef.current" in geomap
-    assert "map.fitBounds(bounds, { padding: 40, duration: 0 })" in geomap
+    assert geomap.count("map.fitBounds(bounds, { padding: 40, duration: 0 })") == 3
     assert "const activeCollection = areaData ?? (fitDataOnChange ? data : null)" in geomap
     assert "data && fitDataOnChange && !areaData" in geomap
     assert "resizeObserver.disconnect()" in geomap

frontend/src/components/GeoMap.tsx

@@ -426,7 +426,7 @@ function GeoMap({
       if (collection.type === 'FeatureCollection' && collection.features.length > 0) {
         const bounds = collectCoordinates(collection)
         if (bounds) {
-          map.fitBounds(bounds, { padding: 40 })
+          map.fitBounds(bounds, { padding: 40, duration: 0 })
         }
       }
     }
@@ -497,7 +497,7 @@ function GeoMap({
     if (activeCollection) {
       const bounds = collectCoordinates(activeCollection)
       if (bounds) {
-        map.fitBounds(bounds, { padding: 40 })
+        map.fitBounds(bounds, { padding: 40, duration: 0 })
       }
     }
   }, [areaData, data, fitDataOnChange, mapStyleReady])