Organize Imports Removes Aliased Imports

[Bibliofile]

Issue Type: Bug

1. Create the following files
   a.ts

   export const a = 1

   b.ts

   import { a as b } from './a'
   console.log(b * 5)

2. Run Organize Imports on b.ts

3. The import is removed, even though it is used.

VS Code version: Code - Insiders 1.23.0-insider (95101bf, 2018-04-06T08:49:48.798Z)
OS version: Windows_NT x64 10.0.16299

System Info

Item	Value
CPUs	Intel(R) Core(TM) i5-4200U CPU @ 1.60GHz (4 x 2295)
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: enabled video_encode: enabled vpx_decode: unavailable_software webgl: enabled webgl2: enabled
Memory (System)	15.88GB (8.80GB free)
Process Argv	C:\Program Files\Microsoft VS Code Insiders\Code - Insiders.exe
Screen Reader	no
VM	50%

Extensions (2)

Extension	Author (truncated)	Version
tslint	eg2	1.0.28
code-spell-checker	str	1.6.5

[vscodebot]

(Experimental duplicate detection)
Thanks for submitting this issue. Please also check if it is already covered by an existing one, like:

• Open a git project, vscode does not show the status in file explorer (#47325)

[Bibliofile]

I also see this issue in the latest non-insiders version.

[mjbvz]

Duplicate of #47310