message: Do not show base calls in tree view that come from derived function.
diff: @@ -763,8 +763,13 @@ NonElidedVector<Out_CqueryCallTree::CallEntry> BuildExpandCallTree(QueryDatabase
  for (QueryFuncRef caller : root_func->callers)
  handle_caller("", caller);
  - for (QueryFuncRef caller : base_callers)
  + for (QueryFuncRef caller : base_callers) {
  + // Do not show calls to the base function coming from this function.
  + if (caller.id_ == root)
  + continue;
  +
  handle_caller("[B] ", caller);
  + }
  for (QueryFuncRef caller : derived_callers)
  handle_caller("[D] ", caller);
  