Flex: Added PageCollection::all() to mimick Pages class

system/src/Grav/Common/Flex/Types/Pages/PageCollection.php

@@ -393,6 +393,17 @@ class PageCollection extends FlexPageCollection implements PageCollectionInterfa
         return array_keys($list);
     }
 
+    /**
+     * Mimicks Pages class.
+     *
+     * @return $this
+     * @deprecated 1.7 Not needed anymore in Flex Pages.
+     */
+    public function all()
+    {
+        return $this;
+    }
+
     /**
      * Returns the items between a set of date ranges of either the page date field (default) or
      * an arbitrary datetime page field where end date is optional

system/src/Grav/Common/Flex/Types/Pages/PageIndex.php

@@ -759,6 +759,17 @@ class PageIndex extends FlexPageIndex implements PageCollectionInterface
         return $collection;
     }
 
+    /**
+     * Mimicks Pages class.
+     *
+     * @return $this
+     * @deprecated 1.7 Not needed anymore in Flex Pages.
+     */
+    public function all()
+    {
+        return $this;
+    }
+
     /**
      * Creates new collection with only visible pages
      *