add append editables (#1483)

Author: lukmzig

src/Document/Attribute/Request/UpdateDocumentRequestBody.php

@@ -67,6 +67,7 @@ public function __construct()
                                 ]
                             ),
                             new UpdateBooleanProperty(DocumentFieldKeys::MISSING_REQUIRED_EDITABLE->value),
+                            new UpdateBooleanProperty(DocumentFieldKeys::APPEND_EDITABLES->value),
                             new UpdateElementProperties(),
                         ],
                         type: 'object',

src/Document/Data/Adapter/AbstractPageSnippetAdapter.php

@@ -118,10 +118,21 @@ private function setEditableData(PageSnippet $document, array $data): void
             return;
         }
 
-        $document->setEditables(null);
+        $this->setAppendEditables($document, $data);
         $editableData = $data[DocumentFieldKeys::EDITABLE_DATA->value];
         foreach ($editableData as $name => $value) {
             $document->setRawEditable($name, $value['type'], $value['data'] ?? null);
         }
     }
+
+    private function setAppendEditables(PageSnippet $document, array $data): void
+    {
+        if (!isset($data[DocumentFieldKeys::APPEND_EDITABLES->value]) ||
+            $data[DocumentFieldKeys::APPEND_EDITABLES->value] !== true
+        ) {
+            $document->setEditables(null);
+        }
+
+        $document->getEditables();
+    }
 }

src/Util/Constant/Document/DocumentFieldKeys.php

@@ -18,4 +18,5 @@ enum DocumentFieldKeys: string
     case SETTINGS_DATA = 'settingsData';
     case EDITABLE_DATA = 'editableData';
     case MISSING_REQUIRED_EDITABLE = 'missingRequiredEditable';
+    case APPEND_EDITABLES = 'appendEditables';
 }