fix: AppListview can not launchApp onKeypressed

[kegechen]

作用域小了，往外移一个级别即可

Issue: linuxdeepin/developer-center#8584

[deepin-ci-robot]

deepin pr auto review

关键摘要:

• 移除了对 Keys.onReturnPressed 和 Keys.onSpacePressed 的处理逻辑，可能会影响用户体验，特别是对于那些依赖于这些快捷键启动应用程序的用户。
• 代码中没有看到对 launchApp 函数的定义和其行为的修改，这可能意味着快捷键的更改没有实际的效果。

是否建议立即修改:

• 是，需要确认快捷键更改的意图，并确保不会对现有用户产生负面影响。如果更改是故意的，应该提供相应的更新说明或迁移策略。如果这是一个错误，应该恢复快捷键处理逻辑。

[deepin-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: BLumia, kegechen

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