Fix zoom problems with enforceBoundary turned off (#405)

I some situations the result image is scaled out of ratio!
I tagged  down the problem to:
Math.min(width, self._originalImageWidth)
I don't know why its needed ... but if i removed it its working ok!

croppie.js

@@ -1159,9 +1159,10 @@
 
         if (data.backgroundColor) {
             ctx.fillStyle = data.backgroundColor;
-            ctx.fillRect(0, 0, outWidth, outHeight);
+            ctx.fillRect(0, 0, canvasWidth, canvasHeight);
         }
 
+
         // start fixing data to send to draw image for enforceBoundary: false
         if (!self.options.enforceBoundary) {
             if (left < 0) {
@@ -1181,15 +1182,18 @@
                 outHeight = height;
             }
         }
+        else{
+           width=Math.min(width, self._originalImageWidth);
+           height=Math.min(height, self._originalImageHeight)
+        }
 
         if (outputWidthRatio !== 1 || outputHeightRatio !== 1) {
             startX *= outputWidthRatio;
             startY *= outputHeightRatio;
             outWidth *= outputWidthRatio;
             outHeight *= outputHeightRatio;
         }
-
-        ctx.drawImage(this.elements.preview, left, top, Math.min(width, self._originalImageWidth), Math.min(height, self._originalImageHeight), startX, startY, outWidth, outHeight);
+        ctx.drawImage(this.elements.preview, left, top, width, height, startX, startY, outWidth, outHeight);
         if (circle) {
             ctx.fillStyle = '#fff';
             ctx.globalCompositeOperation = 'destination-in';