notification ui: add appropriate onlineHelp anchors

This links the dialog windows to the correct help section (different
target types, matchers).

Signed-off-by: Lukas Wagner <l.wagner@proxmox.com>

src/panel/GotifyEditPanel.js

@@ -2,6 +2,7 @@ Ext.define('Proxmox.panel.GotifyEditPanel', {
     extend: 'Proxmox.panel.InputPanel',
     xtype: 'pmxGotifyEditPanel',
     mixins: ['Proxmox.Mixin.CBind'],
+    onlineHelp: 'notification_targets_gotify',
 
     type: 'gotify',
 

src/panel/NotificationConfigView.js

@@ -2,6 +2,7 @@ Ext.define('Proxmox.panel.NotificationConfigView', {
     extend: 'Ext.panel.Panel',
     alias: 'widget.pmxNotificationConfigView',
     mixins: ['Proxmox.Mixin.CBind'],
+    onlineHelp: 'chapter_notifications',
     layout: {
 	type: 'border',
     },

src/panel/SendmailEditPanel.js

@@ -4,6 +4,7 @@ Ext.define('Proxmox.panel.SendmailEditPanel', {
     mixins: ['Proxmox.Mixin.CBind'],
 
     type: 'sendmail',
+    onlineHelp: 'notification_targets_sendmail',
 
     mailValidator: function() {
 	let mailto_user = this.down(`[name=mailto-user]`);

src/panel/SmtpEditPanel.js

@@ -2,6 +2,7 @@ Ext.define('Proxmox.panel.SmtpEditPanel', {
     extend: 'Proxmox.panel.InputPanel',
     xtype: 'pmxSmtpEditPanel',
     mixins: ['Proxmox.Mixin.CBind'],
+    onlineHelp: 'notification_targets_smtp',
 
     type: 'smtp',
 

src/window/NotificationMatcherEdit.js

@@ -73,6 +73,7 @@ Ext.define('Proxmox.window.NotificationMatcherEdit', {
     extend: 'Proxmox.window.Edit',
 
     isAdd: true,
+    onlineHelp: 'notification_matchers',
 
     fieldDefaults: {
 	labelWidth: 120,