While testing #77427

Issue Type: Bug

1. Start with code-insiders --user-data-dir ./<something new>
2. Open the Settings editor
3. Filter the Settings editor to “commands to skip”
4. Add Item for “Commands to Skip Shell”
5. Paste aaaa aaaaa aaaaa aaaaa aaaa aaaaa aaaaa aaaaa aaaa aaaaa as value
   -> text field stays small
6. Press “OK” to commit value
   -> text value enlarges with different font
7. Press pencil button
   -> text field shrinks, font size shrinks

VS Code version: Code - Insiders 1.37.0-insider (cf03ea3, 2019-07-30T07:10:53.695Z)
OS version: Darwin x64 18.6.0