Fix that the History Dock appears before other Docks in old projects

Newly introduced docks, that are not apparent in old projects should
be positioned after the ones in the project-config-file.
This way it seems to be less irritating.

editor/editor_node.cpp

@@ -4883,7 +4883,7 @@ void EditorNode::_load_docks_from_config(Ref<ConfigFile> p_layout, const String
 
 		Vector<String> names = String(p_layout->get_value(p_section, "dock_" + itos(i + 1))).split(",");
 
-		for (int j = 0; j < names.size(); j++) {
+		for (int j = names.size() - 1; j >= 0; j--) {
 			String name = names[j];
 			// FIXME: Find it, in a horribly inefficient way.
 			int atidx = -1;
@@ -4904,7 +4904,7 @@ void EditorNode::_load_docks_from_config(Ref<ConfigFile> p_layout, const String
 			}
 
 			if (atidx == i) {
-				node->move_to_front();
+				dock_slot[i]->move_child(node, 0);
 				continue;
 			}
 
@@ -4914,6 +4914,7 @@ void EditorNode::_load_docks_from_config(Ref<ConfigFile> p_layout, const String
 				dock_slot[atidx]->hide();
 			}
 			dock_slot[i]->add_child(node);
+			dock_slot[i]->move_child(node, 0);
 			dock_slot[i]->show();
 		}
 	}