fixed an issue where metadata was not updated correctly in some cases of a page deletion

src/board/UBBoardController.cpp

@@ -780,6 +780,7 @@ void UBBoardController::deleteScene(int nIndex)
         scIndexes << nIndex;
         deletePages(scIndexes);
         selectedDocument()->setMetaData(UBSettings::documentUpdatedAt, UBStringUtils::toUtcIsoDateTime(QDateTime::currentDateTime()));
+        UBMetadataDcSubsetAdaptor::persist(selectedDocument());
 
         if (nIndex >= pageCount())
             nIndex = pageCount()-1;

src/core/UBPersistenceManager.cpp

@@ -867,12 +867,12 @@ void UBPersistenceManager::insertDocumentSceneAt(UBDocumentProxy* proxy, UBGraph
 
     mSceneCache.insert(proxy, index, scene);
 
+    proxy->incPageCount();
+
     if (persist) {
         persistDocumentScene(proxy, scene, index);
     }
 
-    proxy->incPageCount();
-
     emit documentSceneCreated(proxy, index);
 
 }