Fix #20171.

editor/plugins/visual_shader_editor_plugin.cpp

@@ -735,7 +735,7 @@ VisualShaderEditor::VisualShaderEditor() {
 	graph->connect("duplicate_nodes_request", this, "_duplicate_nodes");
 	graph->add_valid_connection_type(VisualShaderNode::PORT_TYPE_SCALAR, VisualShaderNode::PORT_TYPE_SCALAR);
 	graph->add_valid_connection_type(VisualShaderNode::PORT_TYPE_SCALAR, VisualShaderNode::PORT_TYPE_VECTOR);
-	//graph->add_valid_connection_type(VisualShaderNode::PORT_TYPE_VECTOR, VisualShaderNode::PORT_TYPE_SCALAR);
+	graph->add_valid_connection_type(VisualShaderNode::PORT_TYPE_VECTOR, VisualShaderNode::PORT_TYPE_SCALAR);
 	graph->add_valid_connection_type(VisualShaderNode::PORT_TYPE_VECTOR, VisualShaderNode::PORT_TYPE_VECTOR);
 	graph->add_valid_connection_type(VisualShaderNode::PORT_TYPE_TRANSFORM, VisualShaderNode::PORT_TYPE_TRANSFORM);