src: Improved project load speed with move semantics and in-place initialization

* switched SearchIndex and HierarchyCache to std::unique_ptr
* use move semantics and in-place initialization in StorageTypes and SearchIndex
* improved autocompletion speed by fixing contained node type checking

src/lib/component/controller/GraphController.h

@@ -103,7 +103,7 @@ private:
 		std::list<std::shared_ptr<DummyNode>>& nodes,
 		const NodeType& type,
 		const Tree<NodeType::BundleInfo>& bundleInfoTree,
-		const bool considerInvisibleNodes = false);
+		const bool considerInvisibleNodes);
 	void bundleNodesByType();
 
 	void addCharacterIndex();