[0.74, 0.73] Add build settings to every Debug custom build configuration

[jblarriviere]

Target Branch(es)

0.74, 0.73

Link to commit or PR to be picked

facebook/react-native#43780

Description

This change enables the experimental new debugger for iOS apps with custom build configuration (matching *Debug*)

[cortinico]

✅ Picked, this will land in 0.74 RC7