Wrong background color for text areas in config UI with Insiders 1.50.0

[Tyriar]

Type: General

Describe the bug

• OS and Version: Microsoft Windows [Version 10.0.19041.487]
• VS Code Version:

Version: 1.50.0-insider (user setup)
Commit: e80644fd7da69295b18e7f79403720dd1b155507
Date: 2020-09-22T10:11:29.896Z
Electron: 9.3.0
Chrome: 83.0.4103.122
Node.js: 12.14.1
V8: 8.3.110.13-electron.0
OS: Windows_NT x64 10.0.19041

• C/C++ Extension Version: 1.0.1
• Other extensions you installed (and if the issue persists after disabling them):
• A clear and concise description of what the bug is.

To Reproduce
Please include code sample and task.json files.
Steps to reproduce the behavior:

1. Open config UI

Expected behavior
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Using the same theme keys as the builtin settings UI:

Otherwise it's hard to know what is input and what is just readonly text.

Screenshots
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Additional context
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[Colengms]

Hi @Tyriar . Thanks for reporting this. This looks to be a VS Code issue. I've opened the following issue against VS Code: microsoft/vscode#107332

[bobbrow]

The VS Code team fixed the bug.