chore: Migrate useUniqueId import to @cloudscape-design/component-toolkit

Author: georgylobko

src/app-layout/visual-refresh-toolbar/use-app-layout.tsx

@@ -2,14 +2,13 @@
 // SPDX-License-Identifier: Apache-2.0
 import React, { ForwardedRef, useCallback, useEffect, useImperativeHandle, useRef, useState } from 'react';
 
-import { useMergeRefs, useStableCallback } from '@cloudscape-design/component-toolkit/internal';
+import { useMergeRefs, useStableCallback, useUniqueId } from '@cloudscape-design/component-toolkit/internal';
 
 import { SplitPanelSideToggleProps } from '../../internal/context/split-panel-context';
 import { fireNonCancelableEvent } from '../../internal/events';
 import { useControllable } from '../../internal/hooks/use-controllable';
 import { useIntersectionObserver } from '../../internal/hooks/use-intersection-observer';
 import { useMobile } from '../../internal/hooks/use-mobile';
-import { useUniqueId } from '../../internal/hooks/use-unique-id';
 import globalVars from '../../internal/styles/global-vars';
 import { getSplitPanelDefaultSize } from '../../split-panel/utils/size-utils';
 import { AppLayoutProps } from '../interfaces';