Update translation
Option to reset user preferences

Add an option in "Settings/Backup & reset" for users to reset
their user interface preferences.
For now, they are allowed to reset Pie enable/disable state.

重置用户偏好选项

在"设置/备份和重置"中添加一个可让用户重置他们的用户界面偏好的选项.
目前, 他们可以重置Pie的启用/禁用状态.