UI: Set preset2 instead preset for simple mode NVENC

UI/window-basic-main-outputs.cpp

@@ -550,7 +550,10 @@ void SimpleOutput::Update()
 	}
 
 	preset = config_get_string(main->Config(), "SimpleOutput", presetType);
-	obs_data_set_string(videoSettings, "preset", preset);
+	obs_data_set_string(videoSettings,
+			    (strcmp(presetType, "NVENCPreset") == 0) ? "preset2"
+								     : "preset",
+			    preset);
 
 	obs_data_set_string(videoSettings, "rate_control", "CBR");
 	obs_data_set_int(videoSettings, "bitrate", videoBitrate);