MAGETWO-44521: Multi-check is absent in Admin data grid filters

- Fixed missed grid on Blocks page

Author: guz-anton

app/code/Magento/Cms/view/adminhtml/ui_component/cms_block_listing.xml

@@ -85,6 +85,14 @@
                         <item name="provider" xsi:type="string">cms_block_listing.cms_block_listing.listing_top.bookmarks</item>
                         <item name="namespace" xsi:type="string">current.filters</item>
                     </item>
+                    <item name="templates" xsi:type="array">
+                        <item name="filters" xsi:type="array">
+                            <item name="select" xsi:type="array">
+                                <item name="component" xsi:type="string">Magento_Ui/js/form/element/ui-select</item>
+                                <item name="template" xsi:type="string">ui/grid/filters/elements/ui-select</item>
+                            </item>
+                        </item>
+                    </item>
                     <item name="childDefaults" xsi:type="array">
                         <item name="provider" xsi:type="string">cms_block_listing.cms_block_listing.listing_top.listing_filters</item>
                         <item name="imports" xsi:type="array">