Workspace trust dialogue isn't opaque in new agent sessions window

[bamurtaugh]

Ref https://github.com/microsoft/vscode-internalbacklog/issues/6527

• Use new command Open Agent Sessions Window
• ❓ Workspace trust dialogue isn't fully opaque

Compared with if I trigger a workspace trust dialogue in a regular VS Code instance:

[bpasero]

@bamurtaugh its @mrleemurray who owns themes

[mrleemurray]

@bamurtaugh this should be resolved - can you please check?

[bamurtaugh]

@mrleemurray what would be the best repro steps to take? The previous step I took was to use command Open Agent Sessions Window, but this command is no longer present (as far as I see in the latest Insiders), and I didn't encounter this transparency issue generally for other workspace trust prompts (so I don't think I can verify just by opening a new yet-to-be-trusted workspace in the standard editor).