使用 combo-pinyin 时，按空格选中的候选文字会双倍上屏

[No.]

Describe the bug
fcitx/fcitx5-rime#82

To Reproduce
Steps to reproduce the bug:

• 使用 fcitx-rime 和 combo-pinyin。
• 输入任意东西
• 按空格选中候选词
• 发现文字双倍上屏了，后面的那一份拷贝下面有一个下划线。按任意键之后会消失，但如果不按键而是在别处按鼠标，则不会消失。

Expected behavior
A clear and concise description of what you expected to happen.

Log
If applicable, add crash log to quick focus your problem.

Screenshots
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Flavor(please complete the following information):
Select your flavor:

• ibus-rime
• fcitx-rime
• fcitx5-rime
• Squirrel
• Trime
• Weasel

Package:

• OS: Gentoo GNU/Linux
• Version: 6.1.53-gentoo-x86_64
• URI: [e.g. https://software.opensuse.org/package/fcitx5-rime?search_term=fcitx5-rime]

Additional context
Add any other context about the problem here.
See fcitx/fcitx5-rime#82

[居戎氏]

Fixed as fcitx/fcitx5-rime#82