Fix Map layers tab when we have cleared the analysis selection (#687)

src/containers/sidebars/map-layers/biodiversity-sidebar-card/biodiversity-sidebar-card.js

@@ -41,7 +41,7 @@ function BiodiversitySidebarCard(props) {
     [RARITY]: {},
   });
   const [selectedLayer, setSelectedLayer] = useState(
-    activeLayers[activeLayers.length - 1].title
+    activeLayers?.[activeLayers.length - 1]?.title
   );
 
   const [showCard, setShowCard] = useState(true);