Toggle back on screenshots options in perf panel

[sbuggay]

Summary

This change adds back the screenshots button in the perf panel if the frames feature is enabled.

Test plan

Tested manually

• This change maintains backwards compatibility with previous Local Storage data (if modifying settings, experiments, or other persisted client state).

Upstreaming plan

• This commit should be sent as a patch to the upstream devtools-frontend repo following the contribution guide for Meta employees OR contribution guide.
• This commit is React Native-specific and cannot be upstreamed.