Config.user.js - Keybind "Ctrl+Tab" not superseding "Switch Between Opened Documents"

[Zacchino]

• Searched existing issues to avoid creating duplicates.

• Confirmed that it can be reproduced in built-in themes without customized css.

• Searched http://support.typora.io/

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Describe the bug
Keybinding Ctrl+Tab (ie. to "Source Code Mode") in /config/conf.user.js does not work.

To Reproduce
Steps to reproduce the behavior:

1. Edit /config/conf.user.js
2. Add the Keybind and save file, for instance:

 "keyBinding": {
  "Source Code Mode": "Ctrl+Tab",
  },

3. Restart Typora.exe
4. Bug: Ctrl+Tab doesn't switch to Source Code Mode

Expected behavior
Ctrl+Tab should be mappable too, and supersede the default binding "Switch Between Opened Documents".

Desktop

• OS: Win11 25H2 (x64)

Typora Version
1.14.9