Do not expand the list of candidates when resolving fully qualified ids

Still too unstable after all.

This reverts commit 6f3c9f7002.

src/libs/cplusplus/LookupContext.cpp

@@ -176,7 +176,7 @@ QList<Symbol *> LookupContext::resolve(Name *name, const QList<Scope *> &visible
             scopes.clear();
             foreach (Symbol *candidate, candidates) {
                 if (ScopedSymbol *scoped = candidate->asScopedSymbol()) {
-                    expand(scoped->members(), visibleScopes, &scopes);
+                    scopes.append(scoped->members());
                 }
             }
         }