Import paths are not updated by folder rename

[shairez]

Issue Type: Bug

1. Rename a folder
2. See that the import path of the file inside that folder didn't update

VS Code version: Code 1.24.1 (24f6262, 2018-06-13T17:51:32.889Z)
OS version: Windows_NT x64 10.0.16299

System Info

Item	Value
CPUs	Intel(R) Core(TM) i7-6820HQ CPU @ 2.70GHz (8 x 2712)
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)	31.87GB (8.50GB free)
Process Argv	C:\Program Files\Microsoft VS Code\Code.exe
Screen Reader	no
VM	0%

Extensions (29)

Extension	Author (truncated)	Version
html-snippets	abu	0.1.0
Bookmarks	ale	0.18.0
angular1-code-snippets	ale	0.0.3
ng-template	Ang	0.1.9
angulardoc-vscode	Ang	6.0.1
npm-intellisense	chr	1.3.0
path-intellisense	chr	1.4.2
githistory	don	0.4.0
tslint	eg2	1.0.28
vscode-todo-plus	fab	1.7.1
auto-rename-tag	for	0.0.15
beautify	Hoo	1.1.1
angular2-switcher	inf	0.1.6
Angular1	joh	0.2.0
Angular2	joh	2.12.0
expand-region	let	0.1.2
vscode-todo	Mat	0.8.0
prettify-json	moh	0.0.3
python	ms-	2018.1.0
azure-account	ms-	0.1.3
vsliveshare	ms-	0.2.151
debugger-for-chrome	msj	4.1.0
vscode-docker	Pet	0.0.22
vscode-icons	rob	7.22.0
vscode-coverage-gutters	rya	1.3.1
code-settings-sync	Sha	2.9.0
gitblame	wad	2.4.2
vscode-todo-highlight	way	0.5.11
vsc-angular-cli	web	1.0.0

(4 theme extensions excluded)

[vscodebot]

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

• Organize Imports incorrectly removes renamed imports (#48979)
• Update import paths when a folder is moved. (#51756)
• Prototype update import paths on file rename/move for JS/TS (#50074)
• File Renaming should update file import in TS files (#26597)
• Unable to rename workspace folder. (#46371)

[mjbvz]

Duplicate of #50244