Add UIFeature to hide public space and room creation (#30708)

* Add settings to hide public room & space creation.

* Add space changes.

* Add room changes.

* lint

* Add playwright tests

* don't specialcase 1 join rule

* Ensure mocks get cleared

* Fixup test

* Add SpaceCreateMenu component unit-tests

* Fixup create room test asserts

* fix import

test/unit-tests/components/views/dialogs/CreateRoomDialog-test.tsx

@@ -17,25 +17,30 @@ import { UIFeature } from "../../../../../src/settings/UIFeature";
 
 describe("<CreateRoomDialog />", () => {
     const userId = "@alice:server.org";
-    const mockClient = getMockClientWithEventEmitter({
-        ...mockClientMethodsUser(userId),
-        getDomain: jest.fn().mockReturnValue("server.org"),
-        getClientWellKnown: jest.fn(),
-        doesServerForceEncryptionForPreset: jest.fn(),
-        // make every alias available
-        getRoomIdForAlias: jest.fn().mockRejectedValue(new MatrixError({ errcode: "M_NOT_FOUND" })),
-    });
 
     const getE2eeEnableToggleInputElement = () => screen.getByLabelText("Enable end-to-end encryption");
     // labelled toggle switch doesn't set the disabled attribute, only aria-disabled
     const getE2eeEnableToggleIsDisabled = () =>
         getE2eeEnableToggleInputElement().getAttribute("aria-disabled") === "true";
 
+    let mockClient: ReturnType<typeof getMockClientWithEventEmitter>;
     beforeEach(() => {
+        mockClient = getMockClientWithEventEmitter({
+            ...mockClientMethodsUser(userId),
+            getDomain: jest.fn().mockReturnValue("server.org"),
+            getClientWellKnown: jest.fn(),
+            doesServerForceEncryptionForPreset: jest.fn(),
+            // make every alias available
+            getRoomIdForAlias: jest.fn().mockRejectedValue(new MatrixError({ errcode: "M_NOT_FOUND" })),
+        });
         mockClient.doesServerForceEncryptionForPreset.mockResolvedValue(false);
         mockClient.getClientWellKnown.mockReturnValue({});
     });
 
+    afterEach(() => {
+        jest.restoreAllMocks();
+    });
+
     const getComponent = (props = {}) => render(<CreateRoomDialog onFinished={jest.fn()} {...props} />);
 
     it("should default to private room", async () => {