Added group-specific setting for LFS.

What does this MR do?

Adds group-specific setting for LFS.

Groups can enable/disable LFS, but this setting can be overridden at the project level. Admin only

Screenshots (if relevant)

Layout changes

I also updated the project edit layout from this:

To this:

Otherwise the page did not look consistent.

What are the relevant issue numbers?

Closes #18092 (closed)