Fixed rendering of member variables with alias to template or alias template (t00014)

src/util/util.h

@@ -22,6 +22,7 @@
 #include <algorithm>
 #include <string.h>
 #include <string>
+#include <type_traits>
 #include <vector>
 
 namespace clanguml {
@@ -190,6 +191,9 @@ bool contains(const T &container, const E &element)
                    [&element](const auto &e) { return *e == *element; }) !=
             container.end();
     }
+    else if constexpr (std::is_same_v<std::remove_cv_t<T>, std::string>) {
+        return container.find(element) != std::string::npos;
+    }
     else {
         return std::find(container.begin(), container.end(), element) !=
             container.end();