reload maps every time the select map modal is opened

src/helpers/usePrevious.js

@@ -0,0 +1,11 @@
+import { useEffect, useRef } from "react";
+
+function usePrevious(value) {
+  const ref = useRef();
+  useEffect(() => {
+    ref.current = value;
+  }, [value]);
+  return ref.current;
+}
+
+export default usePrevious;