Move Diagram to (0,0) Position

Pls do these changes -

In node_modules/diagram-js/lib/core/Canvas.js

//Reset Canvas
Canvas.prototype.resetCanvas = function (){
  this._changeViewbox(function() {
    setCTM(this._viewport.node,{a:"1",b:"0",c:"0",d:"1",e:"0",f:"0"});
  });
}

In node_modules/bpmn-js/lib/Viewer.js

Viewer.prototype.resetCanvas = function() {
  var canvas = this.get('canvas');
  canvas.resetCanvas();
}

In app.js

/* Reset Canvas Scroll */
function resetCanvas(){
  bpmnModeler.resetCanvas();
}

//In
$(document).on('ready', function() {
//Add
  $('#js-reset-canvas').click(function(e) {
    e.stopPropagation();
    e.preventDefault();

    resetCanvas();
  });

index.html

                <li id="reset-canvas"><a id="js-reset-canvas" href>Reset Canvas</a></li>