Not showing pencil on left margin of settings.json

[blueray453]

Issue Type: Bug

Not showing pencil on left margin of settings.json.

VS Code version: Code 1.60.2 (7f6ab54, 2021-09-22T12:01:43.795Z)
OS version: Linux x64 5.4.0-88-generic
Restricted Mode: No

System Info

Item	Value
CPUs	Intel(R) Core(TM) i5-8600K CPU @ 3.60GHz (6 x 4100)
GPU Status	2d_canvas: enabled gpu_compositing: enabled multiple_raster_threads: enabled_on oop_rasterization: disabled_off opengl: enabled_on rasterization: disabled_software skia_renderer: enabled_on video_decode: disabled_software vulkan: disabled_off webgl: enabled webgl2: enabled
Load (avg)	2, 1, 1
Memory (System)	31.03GB (16.57GB free)
Process Argv	--unity-launch
Screen Reader	no
VM	0%
DESKTOP_SESSION	cinnamon
XDG_CURRENT_DESKTOP	X-Cinnamon
XDG_SESSION_DESKTOP	cinnamon
XDG_SESSION_TYPE	x11

Extensions: none

A/B Experiments

vsliv368cf:30146710
vsreu685:30147344
python383cf:30185419
pythonvspyt602:30300191
vspor879:30202332
vspor708:30202333
vspor363:30204092
vswsl492cf:30256860
vstes627:30244334
pythonvspyt639:30300192
pythontb:30283811
pythonptprofiler:30281270
vshan820:30294714
vstes263:30335439
pythondataviewer:30285071
pythonvsuse255:30340121
vscod805:30301674
pythonvspyt200:30340761
binariesv615:30325510
vsccppwt:30364497
pythonvssor306:30344512
bridge0708:30335490
pygetstartedt2:30371810
dockerwalkthru:30370836
bridge0723:30353136
pythonrunftest32:30373476
pythonf5test824:30373475
javagetstartedt:30364666
pythonvspyt187:30373474
pydsgst2:30361792
vsqsis200:30374795

[yume-chan]

See #125952

[roblourens]

I'm sure we can get it to show up there too...