fix(slipt-pane): import Pane module directly

Author: wewoor

src/workbench/editor/editor.tsx

@@ -1,7 +1,7 @@
 import * as React from 'react';
 import { memo } from 'react';
 import SplitPane from 'react-split-pane';
-import * as Pane from 'react-split-pane/lib/Pane';
+import Pane from 'react-split-pane/lib/Pane';
 import { IEditor, IEditorGroup } from 'mo/model';
 
 import EditorGroup from './group';

src/workbench/editor/index.tsx

@@ -1,3 +1,4 @@
+import 'reflect-metadata';
 import { connect } from 'mo/react';
 import { container } from 'tsyringe';
 import { IEditor } from 'mo/model';