fix: export active map theme results

backend/tests/test_sprint186_map_first_geographic_explorer.py

@@ -24,6 +24,8 @@ def test_map_first_explorer_is_the_default_product_flow() -> None:
     assert "useMapThemeSelectionInsights" in workspace
     assert "datasetsApi.selectVectorFeatures" in read("frontend/src/hooks/useMapThemeSelectionInsights.ts")
     assert "activeSelectionResult" in workspace
+    assert "downloadActiveThemeSelection" in workspace
+    assert "disabled={!activeSelectionResult}" in workspace
     assert "bboxesEqual(mapSelectionBbox, selectedAreaBbox)" in workspace