The editor can not turn-back to edit state when use Alt+F, S save file.

[JasonLeeCn]

Issue Type: Bug

Step 1. Edit a file (Eg.: main.c).
Step 2. Press Alt+F, S, main.c was be save success.
Then you can find the edit is miss focus can not be edit direct (press any key is can not edit file). And you need click the file context to get focus to edit file.

VS Code version: Code 1.32.1 (05f146c, 2019-03-08T00:51:49.278Z)
OS version: Windows_NT x64 10.0.16299

System Info

Item	Value
CPUs	Intel(R) Core(TM) i5-6300U CPU @ 2.40GHz (4 x 2496)
GPU Status	2d_canvas: enabled checker_imaging: disabled_off 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: enabled surface_synchronization: enabled_on video_decode: enabled webgl: enabled webgl2: enabled
Memory (System)	7.66GB (3.74GB free)
Process Argv
Screen Reader	no
VM	0%

Extensions (4)

Extension	Author (truncated)	Version
bracket-pair-colorizer	Coe	1.0.61
cpptools	ms-	0.20.1
psi-header	psi	1.6.6
vscode-icons	rob	8.1.0

(1 theme extensions excluded)