settings sync consuming high % cpu

[ilcors-dev]

Type: Bug

to reproduce the issue, just install the extension and watch the activity monitor. I noticed it because my mac battery would drain pretty quickly and the back would become kinda hot even on basic editing mode without any particular heavy background task running

Extension version: 3.4.3 VS Code version: Code 1.72.2 (d045a5eda657f4d7b676dedbfa7aab8207f8a075, 2022-10-12T22:15:55.763Z) OS version: Darwin arm64 22.1.0 Modes: Sandboxed: No

System Info

|Item|Value| |---|---| |CPUs|Apple M1 (8 x 24)| |GPU Status|2d_canvas: enabled
canvas_oop_rasterization: disabled_off
direct_rendering_display_compositor: disabled_off_ok
gpu_compositing: enabled
metal: disabled_off
multiple_raster_threads: enabled_on
opengl: enabled_on
rasterization: enabled
raw_draw: disabled_off_ok
skia_renderer: enabled_on
video_decode: enabled
video_encode: enabled
vulkan: disabled_off
webgl: enabled
webgl2: enabled
webgpu: disabled_off| |Load (avg)|3, 3, 3| |Memory (System)|16.00GB (0.17GB free)| |Process Argv|--crash-reporter-id fe16b6d4-4b59-4ca3-a3bc-6e43e7c9b10a| |Screen Reader|no| |VM|0%|

A/B Experiments

``` vsliv368:30146709 vsreu685:30147344 python383cf:30185419 vspor879:30202332 vspor708:30202333 vspor363:30204092 vslsvsres303:30308271 pythonvspyl392:30443607 vserr242:30382549 pythontb:30283811 vsjup518:30340749 pythonptprofiler:30281270 vshan820:30294714 vstes263cf:30335440 pythondataviewer:30285071 vscod805cf:30301675 binariesv615:30325510 bridge0708:30335490 bridge0723:30353136 cmake_vspar411:30581797 vsaa593:30376534 pythonvs932:30410667 cppdebug:30492333 vsclangdf:30486550 c4g48928:30535728 dsvsc012:30540252 azure-dev_surveyone:30548225 pyindex848:30577860 nodejswelcome1:30587005 fc301958:30595537 2e4cg342:30596373 ```