Minor fixes on report widget

* Fixes problem with crop data widget
* Restore area filter and combo functionality
Print plugin fit to bounding box option

When you activate this option, the print preview is fixed to the actual bounding box and hides the scale.

This commit adds neccesary changes to:

* PrintProvider.js
* PrintPage.js
* PrintMapPanel.js
* PrintPreview.js
* Print.js
Fit page to bbox use in crop report widget.

Now, we use the fitToBBox function in PrintPage to show the correct view of the map.