logic: Fixed trial to not refresh changed projects

It was not checked whether Coati is unlocked when refreshing an edited project. So users could change one of the sample
projects manually to index their own source code.

src/lib/Application.cpp

@@ -176,7 +176,7 @@ void Application::createAndLoadProject(const FilePath& projectSettingsFilePath)
 
 void Application::refreshProject(bool force)
 {
-	if (m_project)
+	if (m_project && !m_isInTrial)
 	{
 		bool indexing = m_project->refresh(force);
 		if (indexing)