Fixed bug that avoided drum saving

gui/src/main.cpp

@@ -240,14 +240,16 @@ int main(int argc, char** argv) {
 		ImGui::Text(text.c_str());
 		char input_text2[256];
 		ImGui::InputText("Metadata File ", input_text2, IM_ARRAYSIZE(input_text2));
-		if (ImGui::Button("Save")) {
+		if (ImGui::Button("Save2")) {
 			std::string path = METADATA_PATH + std::string(input_text2);
 			MetadataManager::save(path, bottom_drums.name());
 		}
 		ImGui::SameLine();
-		if (ImGui::Button("Load")) {
+		if (ImGui::Button("Load2")) {
 			std::string path = METADATA_PATH + std::string(input_text2);
 			MetadataManager::load(path, bottom_drums.name());
+			//push data to GPU
+			bottom_drums.setAllObjectStates(MetadataManager::getLayerData(bottom_drums.name()));
 		}
 		ImGui::End();