Fix translations magento#15623 Backport 2.2

Author: VitaliyBoyko

app/code/Magento/Checkout/view/frontend/web/template/minicart/content.html

@@ -30,8 +30,12 @@
             <span class="count" if="maxItemsToDisplay < getCartLineItemsCount()" text="maxItemsToDisplay"/>
             <translate args="'of'" if="maxItemsToDisplay < getCartLineItemsCount()"/>
             <span class="count" text="getCartLineItemsCount()"/>
-            <translate args="'Item in Cart'" if="getCartLineItemsCount() === 1"/>
-            <translate args="'Items in Cart'" if="getCartLineItemsCount() > 1"/>
+                <!-- ko if: (getCartLineItemsCount() === 1) -->
+                    <span translate="'Item in Cart'"/>
+                <!--/ko-->
+                <!-- ko if: (getCartLineItemsCount() > 1) -->
+                    <span translate="'Items in Cart'"/>
+                <!--/ko-->
         </div>
 
         <each args="getRegion('subtotalContainer')" render=""/>