Fix drag preview of part-browser

src/components/PartBrowser/PartBrowser.jsx

@@ -14,7 +14,6 @@ import {nameSort} from '../../utils/getObjectSorter';
 
 import {treeBeardTheme, getTreeDecorators} from './TreeOverrides';
 import PartBrowserItem from './PartBrowserItem';
-import PartBrowserDragPreview from './PartBrowserDragPreview';
 
 import getSVGData from '../../utils/getSVGData';
 
@@ -231,7 +230,6 @@ class PartBrowser extends SingleConnectedNode {
                 textAlign: minimized ? 'center' : undefined,
             }}
             >
-                <PartBrowserDragPreview scale={scale}/>
                 <div style={{display: minimized ? 'none' : undefined}}>
                     {this.tree.children.map(this.buildTreeStructure)}
                 </div>

src/components/PartBrowser/PartBrowserDragPreview.jsx

@@ -5,7 +5,6 @@ import {DragLayer} from 'react-dnd';
 // noinspection JSUnresolvedVariable
 import {Samy} from 'react-samy-svg';
 import DRAG_TYPES from '../../utils/dragTypes';
-import getSVGData from '../../utils/getSVGData';
 
 // DragLayer
 function collect(monitor) {

src/components/PartBrowser/demo.jsx

 /* globals window */
 import React, {Component} from 'react';
 
-import PartBrowser from './index';
+import PartBrowser, {PartBrowserDragPreview} from './index';
 
 export default class DemoPartBrowser extends Component {
     constructor(props) {
@@ -12,6 +12,7 @@ export default class DemoPartBrowser extends Component {
     render() {
         return (
             <div style={{width: '30%'}}>
+                <PartBrowserDragPreview scale={1}/>
                 <PartBrowser
                     gmeClient={this.gmeClient}
                     activeNode="/1"

src/components/PartBrowser/index.jsx

-export {default} from './PartBrowser';
+import PartBrowserDragPreview from './PartBrowserDragPreview';
+import PartBrowser from './PartBrowser';
+
+export default PartBrowser;
+
+export {
+    PartBrowserDragPreview,
+};