Add component to show last query

client/src/components/voronoi/entity/LastQuery.js

+import React from 'react';
+import { useSelector } from 'react-redux';
+import { selectQuery } from '../../navbar/querySlice';
+import Card from 'react-bootstrap/Card';
+
+export default function LastQuery() {
+  const lastQuery = useSelector(selectQuery);
+  const isLastQueryAdvanced = lastQuery?.advanced || false;
+  const lastSimpleQueryText = lastQuery?.fields?.find((f) => f.key === 'allData')?.value;
+  const lastAdvancedQuery = lastQuery?.fields
+    ?.filter((f) => f.value)
+    ?.map((f) => `${f.key}=${f.value}`)
+    ?.join(', ');
+
+  const text = (
+    <span className="text-info">
+      {isLastQueryAdvanced ? lastAdvancedQuery : lastSimpleQueryText}
+    </span>
+  );
+
+  return lastQuery ? (
+    <Card.Body className="border-top">
+      <Card.Text>
+        Showing results for {isLastQueryAdvanced ? <em>advanced</em> : ''} query {text}
+      </Card.Text>
+    </Card.Body>
+  ) : (
+    ''
+  );
+}