<NME> submit.phtml
<BEF> ADDFILE
<MSG> Added save action

<DFF> @@ -0,0 +1,7 @@
+<script>
+require(["jquery"], function($) {
+    $('#save').click(function () {
+        $('#create_whitelist_entry_form').submit();
+    });
+});
+</script>

Added save action