added a setSize to the redraw function

lib/network/modules/Canvas.js

@@ -38,6 +38,7 @@ class Canvas {
         this.body.view.translation.y = obj.height * 0.5;
       }
     });
+    this.body.emitter.on("setSize", this.setSize.bind(this));
     this.body.emitter.on("destroy", () => {
       this.hammerFrame.destroy();
       this.hammer.destroy();

lib/network/modules/CanvasRenderer.js

@@ -111,6 +111,7 @@ class CanvasRenderer {
    * chart will be resized too.
    */
   redraw() {
+    this.body.emitter.emit('setSize');
     this._redraw();
   }