feat: complete group tree (#1967)

* feat: complete group tree

* feat: ui

* fix: i18n

* refactor code

* fix: support remove user from group

* fix: format code

* Update organization.go

* Update organization.go

* Update user_group.go

---------

Co-authored-by: hsluoyz <hsluoyz@qq.com>

web/src/locales/ja/data.json

@@ -188,6 +188,7 @@
     "Close": "閉じる",
     "Confirm": "Confirm",
     "Created time": "作成された時間",
+    "Custom": "Custom",
     "Default application": "デフォルトアプリケーション",
     "Default application - Tooltip": "組織ページから直接登録されたユーザーのデフォルトアプリケーション",
     "Default avatar": "デフォルトのアバター",
@@ -209,6 +210,7 @@
     "Failed to delete": "削除に失敗しました",
     "Failed to enable": "Failed to enable",
     "Failed to get answer": "Failed to get answer",
+    "Failed to remove": "Failed to remove",
     "Failed to save": "保存に失敗しました",
     "Failed to verify": "Failed to verify",
     "Favicon": "ファビコン",
@@ -301,10 +303,12 @@
     "Subscriptions": "サブスクリプション",
     "Successfully added": "正常に追加されました",
     "Successfully deleted": "正常に削除されました",
+    "Successfully removed": "Successfully removed",
     "Successfully saved": "成功的に保存されました",
     "Supported country codes": "サポートされている国コード",
     "Supported country codes - Tooltip": "組織でサポートされている国コード。これらのコードは、SMS認証コードのプレフィックスとして選択できます",
     "Sure to delete": "削除することが確実です",
+    "Sure to remove": "Sure to remove",
     "Swagger": "Swagger",
     "Sync": "同期",
     "Syncers": "シンカーズ",
@@ -329,6 +333,7 @@
     "Webhooks": "Webhooks",
     "You can only select one physical group": "You can only select one physical group",
     "empty": "空",
+    "remove": "remove",
     "{total} in total": "総計{total}"
   },
   "group": {
@@ -337,6 +342,7 @@
     "Parent group": "Parent group",
     "Parent group - Tooltip": "Parent group - Tooltip",
     "Physical": "Physical",
+    "Show all": "Show all",
     "Virtual": "Virtual"
   },
   "ldap": {