In Firefox ，When entering Japanese characters, the first letter will not be displayed after selection

[HeartLF]

Description

When inputting Japanese characters, the first letter does not display after selection. In Firefox, using the Japanese input method, inputting sinn and selecting up and down to 🆕 does not display the corresponding character on the page, and selecting other characters up and down also does not select
If you only see a drop-down option, you can press the left key and then the down key to display more options.

Screen.Recording.2024-11-19.at.16.35.43.mov