TypeScript: High cpu `electron_node typingsInstaller.js tsserver.js typesMap.js` with all extensions disabled

From @ktravelet on March 19, 2018 21:41

Steps to Reproduce:

1. Open vscode
2. vscode will, after 10-15 min, start consuming 0.5-1 core all the time.

Does this issue occur when all extensions are disabled?: Yes

The output below is from when all extensions are disabled.

Version:          Code 1.21.1 (79b44aa704ce542d8ca4a3cc44cfca566e7720f1, 2018-03-14T14:39:09.335Z)
OS Version:       Darwin x64 17.4.0
CPUs:             Intel(R) Core(TM) i7-4980HQ CPU @ 2.80GHz (8 x 2800)
Memory (System):  16.00GB (2.74GB free)
Load (avg):       2, 2, 2
VM:               0%
Screen Reader:    no
Process Argv:     /Applications/Visual Studio Code.app/Contents/MacOS/Electron

CPU %	Mem MB	   PID	Process
    0	    98	  3905	code main
    1	    82	  3906	   gpu-process
    0	    82	  3908	   shared-process
    2	   279	 11573	   window (systemDetails.overview.js — Hanamon)
    0	    82	 11577	     extensionHost
    1	   295	 11585	       electron_node electronForkStart.js tsserver.js
   70	    98	 11598	         electron_node typingsInstaller.js tsserver.js typesMap.js
    0	    49	 11988	       electron_node jsonServerMain.js
    0	    49	 11578	     watcherService
    0	    33	 11579	     terminal
    0	     0	 11580	       /bin/bash -l
    0	    49	 11897	         node app.js

Workspace Stats:
|  Window (systemDetails.overview.js — Hanamon)
|    Folder (Hanamon): 627 files
|      File types: js(382) css(48) html(39) json(25) md(23) png(15) map(12)
|                  ejs(9) sql(6) jpg(5)
|      Conf files: package.json(4) makefile(2) launch.json(1) settings.json(1)
|                  jsconfig.json(1) grunt.js(1) gulp.js(1)
|                  webpack.config.js(1)
|      Launch Configs: node

Copied from original issue: Microsoft/vscode#46141