Get all matrix items in pdp page

Gets all the subitems of a matrix item. getAllMatrixChilds returns an array of objects. Each object in the array is a subitem of the matrix item.

The following example shows how to use the method and what a simplified version of an object in the array might look like.

var pdp = container.getComponent("PDP");
			var iteminfo = pdp.getAllMatrixChilds();

			// Example of an object in the array returned by getAllMatrixChilds()
			[
			  {
			    "internalid": 7040,
			    "isbackorderable": true,
			    "isinstock": true,
			    "itemid": "SHIRT-COT-S",
			    "quantityavailable": 4,
			    ...
			  }
			]