Add enough code to get first couple terminal tests to pass

Signed-off-by: Sebastian Malton <sebastian@malton.name>

src/main/electron-app/features/show-error-popup.global-override-for-injectable.ts

@@ -0,0 +1,11 @@
+/**
+ * Copyright (c) OpenLens Authors. All rights reserved.
+ * Licensed under MIT License. See LICENSE in root directory for more information.
+ */
+
+import { getGlobalOverride } from "../../../common/test-utils/get-global-override";
+import showErrorPopupInjectable from "./show-error-popup.injectable";
+
+export default getGlobalOverride(showErrorPopupInjectable, () => () => {
+  throw new Error("Tried to show an error popup without an override");
+});

src/main/electron-app/features/show-error-popup.injectable.ts

@@ -5,15 +5,15 @@
 import { getInjectable } from "@ogre-tools/injectable";
 import electronDialogInjectable from "./electron-dialog.injectable";
 
+export type ShowErrorPopup = (heading: string, message: string) => void;
+
 const showErrorPopupInjectable = getInjectable({
   id: "show-error-popup",
 
-  instantiate: (di) => {
+  instantiate: (di): ShowErrorPopup => {
     const dialog = di.inject(electronDialogInjectable);
 
-    return (heading: string, message: string) => {
-      dialog.showErrorBox(heading, message);
-    };
+    return (heading, message) => dialog.showErrorBox(heading, message);
   },
 });