#3986 Cleanup BucketList access

[Anonymous]

Originally created by: SirTyson

Description

Resolves [#3842]

This PR adds an additional check for MODE_ENABLES_BUCKETLIST and disables catchup when MODE_ENABLES_BUCKETLIST=false. For some reason GitHub is convinced that the older PR for this has been merged, so I'm opening it again.

Checklist

• [x] Reviewed the contributing document
• [x] Rebased on top of master (no merge commits)
• [x] Ran clang-format v8.0.0 (via make format or the Visual Studio extension)
• [x] Compiles
• [x] Ran all tests
• [ ] If change impacts performance, include supporting evidence per the performance document