message: Fix source variables not being marked as modified
diff: @@ -3287,6 +3287,9 @@ RDTreeWidgetItem *ShaderViewer::makeSourceVariableNode(const SourceVariableMappi
  for(RDTreeWidgetItem *c : children)
  node->addChild(c);
  + if(modified)
  + node->setForegroundColor(QColor(Qt::red));
  +
  node->setTag(QVariant::fromValue(VariableTag(localName, l.offset, globalVarIdx, localVarIdx)));
  return node;
  