Add custom Dropdown for redux-form

src/forms/CustomDropdown.jsx

+import React from 'react';
+import { Dropdown } from 'semantic-ui-react';
+
+export default function CustomDropdown({ currentValue, input, ...rest }) {
+  return (
+    <Dropdown
+      onChange={(event, data) => input.onChange(data.value)}
+      value={currentValue}
+      {...rest}
+    />
+  );
+}