Cannot input Chinese

[balusch]

Issue Type: Bug

I cannot input Chinese in the VS-code downloaded by using snap on Ubuntu 18.04 LTS, while the one downloaded from the official website works well!

VS Code version: Code 1.23.1 (d0182c3, 2018-05-10T16:04:33.747Z)
OS version: Linux x64 4.15.0-20-generic

System Info

Item	Value
CPUs	Intel(R) Core(TM) i5-6200U CPU @ 2.30GHz (4 x 2620)
GPU Status	2d_canvas: enabled flash_3d: enabled flash_stage3d: enabled flash_stage3d_baseline: enabled gpu_compositing: enabled multiple_raster_threads: enabled_on native_gpu_memory_buffers: disabled_software rasterization: disabled_software video_decode: unavailable_software video_encode: enabled vpx_decode: unavailable_software webgl: enabled webgl2: enabled
Load (avg)	2, 2, 2
Memory (System)	7.70GB (0.29GB free)
Process Argv	/usr/share/code/code --unity-launch
Screen Reader	no
VM	0%

Extensions (13)

Extension	Author (truncated)	Version
vscode-markdownlint	Dav	0.15.0
vscode-language-pack-zh-hans	MS-	1.23.4
vscode-great-icons	emm	2.1.31
mysql-syntax	jak	1.3.1
easy-icons	jam	0.3.1
Lua	key	0.0.9
cpptools	ms-	0.17.0
java	red	0.24.0
vscode-icons	rob	7.23.0
markdown-preview-enhanced	shd	0.3.5
vscode-lua	tri	0.12.4
vim	vsc	0.11.6
markdown-all-in-one	yzh	1.3.0

[Tyriar]

We don't support the snap package yet.