Walkthrough's Chat step opens an empty panel

[digitarald]

Type: Bug

• Installed Copilot in a fresh stable VS Code
• Installed Copilot
• Didn't sign in, but went to step 3 "Chat with Copilot"
• Clicked "Chat with Copilot"
• 🐛 Panel stays empty, unusable, without sign-in Welcome screen

System Info

Item	Value
CPUs	Intel(R) Core(TM) i9-9980HK CPU @ 2.40GHz (16 x 2400)
GPU Status	2d_canvas: enabled canvas_oop_rasterization: disabled_off direct_rendering_display_compositor: disabled_off_ok gpu_compositing: enabled multiple_raster_threads: enabled_on opengl: enabled_on rasterization: enabled raw_draw: disabled_off_ok skia_graphite: disabled_off video_decode: enabled video_encode: enabled webgl: enabled webgl2: enabled webgpu: enabled
Load (avg)	6, 5, 5
Memory (System)	64.00GB (37.34GB free)
Process Argv	--user-data-dir=/var/folders/cq/2lmpsmc53m500qtgyyrlzhz80000gn/T//cleanvsi/data-14-45-01 --extensions-dir=/var/folders/cq/2lmpsmc53m500qtgyyrlzhz80000gn/T//cleanvsi/ext-14-45-01 --log=trace --log trace --crash-reporter-id 487fc18f-08b0-40a4-87d4-37e92ccd73d5
Screen Reader	no
VM	0%