fix: revert remove imports

app/angular/conceptual/conceptual.js

@@ -1,8 +1,6 @@
 import "backbone";
 import $ from "jquery";
-
 import * as joint from "jointjs/dist/joint";
-
 import "../../joint/joint.ui.stencil";
 import "../../joint/joint.ui.stencil.css";
 import "../../joint/joint.ui.selectionView";
@@ -12,26 +10,23 @@ import "../../joint/joint.ui.halo";
 import "../../joint/br-scroller";
 import "../../joint/joint.dia.command";
 import shapes from "../../joint/shapes";
-joint.shapes.erd = shapes;
-
-/*
- * This line prevent a sideEffect issue in jointjs library that make webpack ignore joint css imports
- * See more: https://github.com/webpack/webpack/issues/8814
- */
-console.log(jointCss);
-
+import jointCss from "jointjs/dist/joint.min.css";
 import angular from "angular";
 import template from "./conceptual.html";
-
 import modelDuplicatorComponent from "../components/duplicateModelModal";
-
 import Factory from "./factory";
 import Validator from "./validator";
 import Linker from "./linker";
 import EntityExtensor from "./entityExtensor";
 import KeyboardController, { types } from "../components/keyboardController";
-import confirmationModal from "../components/confirmationModal";
-import preventExitService from "../service/preventExitService";
+import preventExitServiceModule from "../service/preventExitService";
+joint.shapes.erd = shapes;
+
+/*
+ * This line prevent a sideEffect issue in jointjs library that make webpack ignore joint css imports
+ * See more: https://github.com/webpack/webpack/issues/8814
+ */
+console.log(jointCss);
 
 const controller = function (
 	ModelAPI,