Ctrl+Backspace not working properly in Emote Search and Settings after Select All

[21mtd]

Checklist

• [X] I'm reporting a problem with Chatterino
• [X] I've verified that I'm running the most recent nightly build or stable release
• [X] I've looked for my problem on the wiki
• [X] I've searched the issues and pull requests for similar looking reports

Describe your issue

This problem happened and fixed in the past (#4461) but still occurred in Emote Menu and Settings. The last keyword remain undeleted after Select All then Ctrl + Backspace.

Reproduction steps:

• Open a Emote Menu or Settings
• Type random letters in input box
• Ctrl+A to select all then Ctrl+Backspace

Screenshots

https://github.com/Chatterino/chatterino2/assets/75530836/1e2c1f50-2073-4f18-b98c-35ffb12b351c

OS and Chatterino Version

Chatterino Nightly 2.4.6 (commit c3d3903b) built on 2023-12-05 with Qt 6.5.0, MSVC 193732826 Running on Windows 10 Version 22H2, kernel: 10.0.19045

[Mm2PL]

Can confirm. Similar to #4461. Probably will need a patch similar to #4536.

[Mm2PL]

This was fixed in #5013.