Merge branch 'MAGETWO-34378' of https://github.corp.ebay.com/magento-firedrakes/magento2ce into MAGETWO-34378

Author: sivaschenko

app/code/Magento/Sales/Controller/Adminhtml/Invoice/AbstractInvoice/Pdfinvoices.php

@@ -45,6 +45,8 @@ protected function _isAllowed()
     }
 
     /**
+     * Save collection items to pdf invoices
+     *
      * @param AbstractCollection $collection
      * @return ResponseInterface
      * @throws \Exception

app/code/Magento/Sales/Model/Order/Config.php

@@ -173,7 +173,9 @@ public function getStates()
     {
         $states = [];
         foreach ($this->_getCollection() as $item) {
-            $states[$item->getState()] = __($item->getData('label'));
+            if ($item->getState()) {
+                $states[$item->getState()] = __($item->getData('label'));
+            }
         }
         return $states;
     }

app/code/Magento/Shipping/view/adminhtml/web/order/packaging.js

@@ -748,7 +748,7 @@ Packaging.prototype = {
 
     _observeQty: function() {
         /** this = input[type="checkbox"] */
-        var tr  = this.parentNode.parentNode,
+        var tr  = jQuery(this).closest('tr')[0],
             qty = $(tr.cells[tr.cells.length - 1]).select('input[name="qty"]')[0];
 
         if (qty.disabled = !this.checked) {

app/code/Magento/Ui/view/base/web/js/grid/filters/filters.js

@@ -151,11 +151,25 @@ define([
          * @returns {Filters} Chainable.
          */
         cancel: function () {
+            this.convertToObject();
             this.set('filters', utils.copy(this.applied));
 
             return this;
         },
 
+        /**
+         * Convert empty array to empty object.
+         *
+         * @returns {Filters} Chainable.
+         */
+        convertToObject: function() {
+            if ( _.isArray(this.applied) && _.isEmpty(this.applied) ) {
+                this.applied = {};
+            }
+
+            return this;
+        },
+
         /**
          * Tells wether filters pannel should be opened.
          *