Allow trigger node delay to be overridden with msg.delay

packages/node_modules/@node-red/nodes/locales/en-US/messages.json

@@ -320,6 +320,7 @@
             "h": "Hours"
         },
         "extend": " extend delay if new message arrives",
+        "override": "override delay with msg.delay",
         "second": " send second message to separate output",
         "label": {
             "trigger": "trigger",