If I choice one copy ,double-click,the copyq is collapse, ERROR <Client-41604>

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issues](https://copyq.readthedocs.io/en/latest/known-issues.html).

**Describe the bug**
If I choice one copy ,double-click,the copyq is collapse
log:
ERROR [2021-11-12 15:53:16.805] : 连接丢失！
ERROR [2021-11-12 15:53:16.814] : 连接丢失！

**To Reproduce**
Steps to reproduce the behavior:
1. open copyq
2. choice one copy
3.,double-click
4. See error,the copyq is collapse,the copyq is close

**Version, OS and Environment**
(Get details from `copyq version` command if possible.)
- Application Version [v5.0.0-gb37afea3-v5.0.0]
- OS [ mac big sur 11.5.2]
- Desktop environment, window manager (if applicable)