refactor: migrate to useKeyMatchers hook (#21753)

packages/cli/src/ui/components/BackgroundShellDisplay.tsx

@@ -16,7 +16,7 @@ import {
 } from '@google/gemini-cli-core';
 import { cpLen, cpSlice, getCachedStringWidth } from '../utils/textUtils.js';
 import { type BackgroundShell } from '../hooks/shellCommandProcessor.js';
-import { Command, keyMatchers } from '../keyMatchers.js';
+import { Command } from '../keyMatchers.js';
 import { useKeypress } from '../hooks/useKeypress.js';
 import { formatCommand } from '../utils/keybindingUtils.js';
 import {
@@ -30,6 +30,7 @@ import {
   RadioButtonSelect,
   type RadioSelectItem,
 } from './shared/RadioButtonSelect.js';
+import { useKeyMatchers } from '../hooks/useKeyMatchers.js';
 
 interface BackgroundShellDisplayProps {
   shells: Map<number, BackgroundShell>;
@@ -60,6 +61,7 @@ export const BackgroundShellDisplay = ({
   isFocused,
   isListOpenProp,
 }: BackgroundShellDisplayProps) => {
+  const keyMatchers = useKeyMatchers();
   const {
     dismissBackgroundShell,
     setActiveBackgroundShellPid,