corrected type error for the devices variable (#621)

Author: JerryVincent

app/routes/explore.tsx

@@ -119,7 +119,7 @@ export async function loader({ request }: LoaderFunctionArgs) {
 
   // check if sensors are queried - if not get devices only to reduce load
   const devices = !urlFilterParams.get("phenomenon")
-    ? await getDevices()
+    ? await getDevices("geojson")
     : await getDevicesWithSensors();
 
   const session = await getUserSession(request);