[BUG] custom keys in number row also type number

[rljes]

Device Model
Pixel 9a
Android Version
16
App Version
0.21.1
Keyboard Language (optional)
qwerty english
Steps to Reproduce

1. Open Settings
2. Layout & Input
3. Customize Keys
4. Assign "!" to "1" (number row enabled)
5. Long hold "1"

Expected Behavior
!
Actual Behavior
!1. The 1 appears on key release. This does not happen when assigning "-" to "z".
Logs (optional)

Additional Context (optional)