Numpad. identified as a <del> no matter numlock on/off . (conflict with fcitx)

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Steps to reproduce

typing in obsidian with fcitx on. Input numpad .(dot)

Expected result

A dot will be typed in

Actual result

delele

Environment

  • Operating system: Ubuntu20.04
  • Debug info:
    SYSTEM INFO:
    Obsidian version: v0.13.33
    Installer version: v0.13.23
    Operating system: #40~20.04.1-Ubuntu SMP Mon Mar 7 09:18:32 UTC 2022 5.13.0-35-generic
    Login status: not logged in
    Insider build toggle: off
    Live preview: on
    Legacy editor: off
    Base theme: dark
    Community theme: none
    Snippets enabled: 0
    Safe mode: on

RECOMMENDATIONS:
none


Additional information

with fcitx on, sougouinput ime, Chinese input on
fcitx version: 4.2.9.7
sougouinput version: 3.4.0.9700