fix(Dashboard): Add aria-label to filters and search forms (#27968)

(cherry picked from commit 4202fba0f1)

superset-frontend/plugins/plugin-chart-table/src/TableChart.tsx

@@ -168,6 +168,7 @@ function SearchInput({ count, value, onChange }: SearchInputProps) {
         className="form-control input-sm"
         placeholder={tn('search.num_records', count)}
         value={value}
+        aria-label={t('Search %s records', count)}
         onChange={onChange}
       />
     </span>