Merge pull request #3 from H4vC/main

perf: removed redundant cache invalidations and preindexed lookups for pdbs

src/imports/import_source.cpp

@@ -1296,7 +1296,6 @@ NodeTree importFromSource(const QString& sourceCode, QString* errorMsg) {
         auto it = classIds.find(ref.className);
         if (it != classIds.end()) {
             tree.nodes[nodeIdx].refId = it.value();
-            tree.invalidateIdCache();
         }
     }