fix: keep map canvas synchronized with workspace

backend/tests/test_sprint186_map_first_geographic_explorer.py

@@ -40,6 +40,9 @@ def test_map_rectangle_drag_is_wired_to_automatic_analysis() -> None:
     assert "map.on('mousemove'" in geomap
     assert "map.on('mouseup'" in geomap
     assert "onMapBboxSelectRef.current?.(bbox)" in geomap
+    assert "new ResizeObserver" in geomap
+    assert "resizeObserver.observe(containerRef.current)" in geomap
+    assert "resizeObserver.disconnect()" in geomap
 
 
 def test_dataset_detail_responses_cannot_overwrite_the_latest_map_layer() -> None: