Support selecting extensions in the Profile Editor when importing a profile

[accesswatch]

Type: Bug

1. Create a profile and save it as a GIST in Github.
2. Attempt to import it and tell the browser to open in VSCode.
3. Tab through the dialog. Besides tabbing giving very strange results about defaults and repeated button names the main issue stems when trying to select and deselect extensions in the list.

Note: This assumes you are allowed to do this which I think you should be able to do so.

4. I can arrow to the Extensions treeview item and expand it and see all 29 extensions in my list. I think I should be able to select and deselect extensions in the list. I found two issues here:

A. When pressing space I sometimes have to retab to the list.
B. Pressing the spacebar reports that the item is selected by the screen reader but then other items do not show a selected state.

5. Can we get checkboxes in this list by chance that are reported by the screen reader?

VS Code version: Code 1.96.4 (cd4ee3b, 2025-01-16T00:16:19.038Z)
OS version: Windows_NT x64 10.0.26100
Modes:

System Info

Item	Value
CPUs	13th Gen Intel(R) Core(TM) i5-1340P (16 x 2189)
GPU Status	2d_canvas: enabled canvas_oop_rasterization: enabled_on 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 vulkan: disabled_off webgl: enabled webgl2: enabled webgpu: enabled webnn: disabled_off
Load (avg)	undefined
Memory (System)	15.69GB (2.58GB free)
Process Argv
Screen Reader	yes
VM	0%

Extensions (24)

Extension	Author (truncated)	Version
Bookmarks	ale	13.5.0
npm-intellisense	chr	1.4.5
vscode-markdownlint	Dav	0.58.2
vscode-eslint	dba	3.0.10
prettier-vscode	esb	11.0.0
copilot	Git	1.257.0
copilot-chat	Git	0.23.2
vscode-pull-request-github	Git	0.102.0
vscode-htmlhint	HTM	1.0.5
file-history	Jef	1.0.0
markdown-shortcuts	mdi	0.12.0
vscode-edge-devtools	ms-	2.1.6
black-formatter	ms-	2024.4.0
debugpy	ms-	2024.14.0
python	ms-	2024.22.2
vscode-pylance	ms-	2024.12.1
live-server	ms-	0.4.15
vscode-copilot-vision	ms-	0.1.1
vscode-speech	ms-	0.12.1
vsliveshare	ms-	1.0.5948
LiveServer	rit	5.7.9
markdown-preview-enhanced	shd	0.8.15
code-spell-checker	str	4.0.34
markdown-all-in-one	yzh	3.6.2

[gjsjohnmurray]

See also #174007

[vs-code-engineering]

We closed this issue because we don't plan to address it in the foreseeable future. If you disagree and feel that this issue is crucial: we are happy to listen and to reconsider.

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Thanks for your understanding, and happy coding!