Improve wrapping of external DNS value column to prevent layout overflow

see #244

Conflicts:
	management/templates/external-dns.html

management/templates/external-dns.html

@@ -12,8 +12,9 @@
   border: 0;
 	padding-top: .75em;
 	padding-bottom: 0;
-	max-width: 50vw;
-	word-wrap: break-word;
+}
+#external_dns_settings .value {
+	word-break: break-all;
 }
 #external_dns_settings .explanation td {
 	border: 0;