Operating system: Elementary OS 5.1 Hera
Graphics card: Nvidia 540M
platform: Linux
LANG=tr_TR.UTF-8
Keyboard: Logitech K400r
Blender Version(flatpak)
version: 2.81 (sub 16), branch: unknown, commit date: 1970-01-01 00:00, hash: unknown, type: RelWithDebInfo
build date: 2019-12-02, 08:10:22
Short description of error
I couln't be able to write non-latin characters in object names or subtitles etc. input area doesn't allow me to write characters like "ş" "ç" "ü" "ğ" even though my font is latin extended and on other softwares (krita, chrome, visual studio code etc. ) there is no problem.
Exact steps for others to reproduce the error
open belender > doubleclick and change default cube name and try to type a non latin caharter like "ş" "ç" "ü" "ğ". but do not paste. it accepts pasting but does not accept typing.

