Telegram Desktop does not recognize IBus switch between Japanese and English input #2013

Steps to reproduce

1. Log in to the native app in Ubuntu 16.04 64bit
2. Press CTRL+Spacebar the IBus program switch the language on the system to Japanese from default English.
3. Type on the window a message to one of the contacts, but Telegram does not recognize the switch and just type in English.

Expected behaviour

Tell us what should happen: The native Telegram app for Linux desktop should recognize the IBus switch from English to Japanese and allow typing in Japanese like on the other IM clients like Line, Hangouts, Facebook Messenger.

Actual behaviour

Tell us what happens instead: It is no recognizing the switch between En/JP in the desktop Ubuntu 16.04 64bit

Configuration

Operating system:
jair@x1:~$ cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=16.04
DISTRIB_CODENAME=xenial
DISTRIB_DESCRIPTION="Ubuntu 16.04 LTS"

Version of Telegram Desktop:
Telegram Desktop 0.9.48 alpha

Logs

Insert logs here (if necessary)

You can type "debugmode" in settings and then see ~/.TelegramDesktop/DebugLogs/log_...txt for log files.
Type "debugmode" in settings again to disable logs.