ACP2E-3063: [Cloud] Cache is not getting invalidated.

- without test

Author: arnobsh

app/code/Magento/Cms/Model/TagsStrategy.php

@@ -86,7 +86,20 @@ public function execute(Observer $observer)
         $tags = $this->tagResolver->getTags($object);
 
         if (!empty($tags)) {
+            $tags[] = $this->getAdditionalTags($object);
             $this->layoutCache->clean(\Zend_Cache::CLEANING_MODE_MATCHING_ANY_TAG, $tags);
         }
     }
+
+    /**
+     * Get additional tags
+     */
+    public function getAdditionalTags($object): string
+    {
+        return sprintf(
+                '%s_%s',
+                'CMS_PAGE_VIEW_ID',
+                str_replace('-', '_', strtoupper($object->getIdentifier()))
+            );
+    }
 }

app/code/Magento/Cms/Observer/InvalidateLayoutCacheObserver.php

@@ -316,13 +316,4 @@
             </argument>
         </arguments>
     </virtualType>
-     <type name="Magento\Framework\App\Cache\Tag\Strategy\Factory">
-        <arguments>
-            <argument name="customStrategies" xsi:type="array">
-                <item name="Magento\Cms\Model\Page" xsi:type="object">
-                    Magento\Cms\Model\TagsStrategy
-                </item>
-            </argument>
-        </arguments>
-    </type>
 </config>