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

• VS Code Version: 1.74.0 ba9399b
• OS Version: Mac 12.2.1 intel

Steps to Reproduce:

1. Clone VS Code source code from github and use VS Code to open it.
2. Use cmd + shift + b to start the development task, then you can see two task are running in Terminal, their names are Core - Build and Ext - Build respectively.
3. Hover mouse slides through the left icon of Core - Build