Remove Phoenix and notebooks (Phase 5) (#2561)

* Remove Phoenix and notebook core

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Copilot-Session: 4e4f2ebd-f2f8-4c2b-b63d-40e1a2b1c662

* Fix merge issue.

---------

Copilot-Session: 4e4f2ebd-f2f8-4c2b-b63d-40e1a2b1c662

src/Explorer/Explorer.test.tsx

@@ -10,6 +10,7 @@ import { Capability, DatabaseAccount } from "../Contracts/DataModels";
 import { updateUserContext, userContext } from "../UserContext";
 import { update } from "../Utils/arm/generatedClients/cosmos/databaseAccounts";
 import Explorer from "./Explorer";
+import { useCommandBar } from "./Menus/CommandBar/CommandBarComponentAdapter";
 
 const mockUpdate = update as jest.MockedFunction<typeof update>;
 
@@ -26,21 +27,6 @@ jest.mock("./Controls/Dialog", () => ({
   },
 }));
 
-// Silence useNotebook subscription calls
-jest.mock("./Notebook/useNotebook", () => ({
-  useNotebook: {
-    subscribe: jest.fn(),
-    getState: jest.fn().mockReturnValue(
-      new Proxy(
-        {},
-        {
-          get: () => jest.fn().mockResolvedValue(undefined),
-        },
-      ),
-    ),
-  },
-}));
-
 describe("Explorer.openEnableSynapseLinkDialog", () => {
   let explorer: Explorer;
 
@@ -69,6 +55,7 @@ describe("Explorer.openEnableSynapseLinkDialog", () => {
   beforeEach(() => {
     jest.clearAllMocks();
     mockUpdate.mockResolvedValue(undefined);
+    useCommandBar.getState().setIsSynapseLinkUpdating(false);
     explorer = new Explorer();
   });
 
@@ -102,6 +89,19 @@ describe("Explorer.openEnableSynapseLinkDialog", () => {
 
       expect(userContext.databaseAccount.properties.enableAnalyticalStorage).toBe(true);
     });
+
+    it("should track Synapse Link update progress in the command bar store", async () => {
+      mockUpdate.mockImplementation(async () => {
+        expect(useCommandBar.getState().isSynapseLinkUpdating).toBe(true);
+        return {} as Awaited<ReturnType<typeof update>>;
+      });
+      explorer.openEnableSynapseLinkDialog();
+
+      const dialogProps = mockOpenDialog.mock.calls[0][0];
+      await dialogProps.onPrimaryButtonClick();
+
+      expect(useCommandBar.getState().isSynapseLinkUpdating).toBe(false);
+    });
   });
 
   describe("with targetAccountOverride", () => {