Rework Subflow Instance property UI (#2236)

* Add support of Subflow UI definition

* new UI definition for env var

* fix label

* fixed value obtaining

* fixed label width

* fix checkbox

* fix subflow info

* remove old subflow ui tests

* add tests

* merge ui new changes

* fix initial open button

* fix environment variable edit tab

* WIP: cp-1

* Rework subflow ui property

* Restrict SF value type according to input selection

* Move subflow property UI code to subflow.js

* Update subflow ui type select appearance

* Present subflow instance properties as table rather than generated UI

* Move subflow instance properties to separate tab

* Fix subflow property ui element layout issues

packages/node_modules/@node-red/editor-client/locales/ja/editor.json

@@ -321,6 +321,31 @@
         "description": "詳細",
         "show": "表示",
         "hide": "非表示",
+        "locale": "UI言語の選択",
+        "icon": "記号",
+        "inputType": "入力形式",
+        "previewUI": "UI確認",
+        "previewOK": "確認OK",
+        "types": {
+            "str": "文字列",
+            "num": "数値",
+            "bool": "真偽",
+            "json": "JSON",
+            "bin": "バッファ",
+            "env": "環境変数",
+            "no-value": "値無し"
+        },
+        "menu": {
+            "input": "入力",
+            "select": "選択",
+            "checkbox": "チェックボックス",
+            "spinner": "数値",
+            "hidden": "ラベルのみ"
+        },
+        "spinner": {
+            "min": "最小",
+            "max": "最大"
+        },
         "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",
             "invalidProperties": "プロパティが不正です:"
@@ -940,7 +965,7 @@
         "properties": "プロパティ",
         "description": "説明",
         "appearance": "外観",
-        "env": "環境変数"
+        "env": "サブフロープロパティ"
     },
     "languages": {
         "de": "ドイツ語",