Add node description property UI

red/api/editor/locales/en-US/editor.json

@@ -267,6 +267,7 @@
         "defaultLabel": "use default label",
         "searchIcons": "Search icons",
         "useDefault": "use default",
+        "description": "Description",
         "errors": {
             "scopeChange": "Changing the scope will make it unavailable to nodes in other flows that use it"
         }

red/api/editor/locales/ja/editor.json

@@ -266,6 +266,7 @@
         "defaultLabel": "既定の名前を使用",
         "searchIcons": "アイコンを検索",
         "useDefault":  "デフォルトを使用",
+        "description": "詳細",
         "errors": {
             "scopeChange": "スコープの変更は、他のフローで使われているノードを無効にします"
         }