Fix extensions using "application" as magic string for preference tab (#6666)

Signed-off-by: Iku-turso <mikko.aspiala@gmail.com>

Signed-off-by: Iku-turso <mikko.aspiala@gmail.com>

src/features/preferences/navigation-to-application-preferences.test.tsx

@@ -2,12 +2,14 @@
  * Copyright (c) OpenLens Authors. All rights reserved.
  * Licensed under MIT License. See LICENSE in root directory for more information.
  */
+import React from "react";
 import type { RenderResult } from "@testing-library/react";
 import type { ApplicationBuilder } from "../../renderer/components/test-utils/get-application-builder";
 import { getApplicationBuilder } from "../../renderer/components/test-utils/get-application-builder";
 import navigateToProxyPreferencesInjectable from "./common/navigate-to-proxy-preferences.injectable";
 import type { Discover } from "../../renderer/components/test-utils/discovery-of-html-elements";
 import { discoverFor } from "../../renderer/components/test-utils/discovery-of-html-elements";
+import type { FakeExtensionOptions } from "../../renderer/components/test-utils/get-extension-fake";
 
 describe("preferences - navigation to application preferences", () => {
   let builder: ApplicationBuilder;
@@ -16,6 +18,53 @@ describe("preferences - navigation to application preferences", () => {
     builder = getApplicationBuilder();
   });
 
+  describe("given in preferences, when rendered", () => {
+    let rendered: RenderResult;
+    let discover: Discover;
+
+    beforeEach(async () => {
+      builder.beforeWindowStart(() => {
+        builder.preferences.navigate();
+      });
+
+      rendered = await builder.render();
+
+      discover = discoverFor(() => rendered);
+    });
+
+    it("renders", () => {
+      expect(rendered.container).toMatchSnapshot();
+    });
+
+    it("shows application preferences", () => {
+      const { discovered } = discover.querySingleElement(
+        "preference-page",
+        "application-page",
+      );
+
+      expect(discovered).not.toBeNull();
+    });
+
+    describe("when extension with application preference items gets enabled", () => {
+      beforeEach(() => {
+        builder.extensions.enable(
+          extensionStubWithApplicationPreferenceItems,
+        );
+      });
+
+      it("renders", () => {
+        expect(rendered.container).toMatchSnapshot();
+      });
+
+      it("shows preference items of the extension", () => {
+        const { attributeValues } =
+            discover.queryAllElements("preference-item");
+
+        expect(attributeValues).toContain("preference-item-for-extension-some-test-extension-name-item-some-application-preference-item-id");
+      });
+    });
+  });
+
   describe("given in some child page of preferences, when rendered", () => {
     let rendered: RenderResult;
     let discover: Discover;
@@ -85,3 +134,22 @@ describe("preferences - navigation to application preferences", () => {
   });
 });
 
+const extensionStubWithApplicationPreferenceItems: FakeExtensionOptions = {
+  id: "some-test-extension-id",
+  name: "some-test-extension-name",
+
+  rendererOptions: {
+    appPreferences: [
+      {
+        title: "Some application-preference item",
+        id: "some-application-preference-item-id",
+        showInPreferencesTab: "application",
+
+        components: {
+          Hint: () => <div data-testid="some-preference-item-hint" />,
+          Input: () => <div data-testid="some-preference-item-input" />,
+        },
+      },
+    ],
+  },
+};

src/features/preferences/renderer/compliance-for-legacy-extension-api/registrator-for-preference-items.injectable.tsx

@@ -120,10 +120,10 @@ const registratorForPreferenceItemsInjectable = getInjectable({
           kind: "block" as const,
           id: itemId,
 
-          // Note: Legacy extensions considered telemetry as magic string, and so does this code
+          // Note: Legacy extensions considered telemetry and application as magic strings, and so does this code
           parentId: registration.showInPreferencesTab
-            ? registration.showInPreferencesTab === "telemetry"
-              ? "telemetry-page"
+            ? ["telemetry", "application"].includes(registration.showInPreferencesTab)
+              ? `${registration.showInPreferencesTab}-page`
               : `${commonId}-additional-page-${registration.showInPreferencesTab}`
             : primaryPageId,