fix(UX): suggest app-specific password for gmail logins (#16812)

frappe/email/doctype/email_account/email_account.js

@@ -134,10 +134,11 @@ frappe.ui.form.on("Email Account", {
 
 	show_gmail_message_for_less_secure_apps: function(frm) {
 		frm.dashboard.clear_headline();
+		let msg = __("GMail will only work if you enable 2-step authentication and use app-specific password.");
+		let cta = __("Read the step by step guide here.");
+		msg += ` <a target="_blank" href="https://docs.erpnext.com/docs/v13/user/manual/en/setting-up/email/email_account_setup_with_gmail">${cta}</a>`;
 		if (frm.doc.service==="GMail") {
-			frm.dashboard.set_headline_alert('Gmail will only work if you allow access for less secure \
-				apps in Gmail settings. <a target="_blank" \
-				href="https://support.google.com/accounts/answer/6010255?hl=en">Read this for details</a>');
+			frm.dashboard.set_headline_alert(msg);
 		}
 	},