Debug dropdown is hidden by 'Run And Debug' title

[joyceerhl]

Does this issue occur when all extensions are disabled?: Yes

• VS Code Version: Code-OSS 1.59
• OS Version: Linux x64 5.4.0-1051-azure

Steps to Reproduce:

1. Open debug view
2. Resize sidebar to be narrower
3. 🐛 debug dropdown is hidden behind debug title:

This is caused by https://github.com/microsoft/vscode/pull/122620/files#diff-b90c05f5d5f2249861e5f8ca380627f885f9415e6383f035f9a8fd9bd0221478R17 in #122620 which was supposed to fix #122454

Without overflow: hidden this works fine: