[2.2.9 prerelease] Flame shield might let Amy and Fang get softlocked in Haunted Heights

GIF courtesy of Stuffed 1941:

As this GIF indicates, with the flame shield non-spin character change, Amy and Fang are now able to access spin characters' paths in Haunted Heights. This means that if they lose the shield (or maybe even if they keep it), they might get stuck in there with no way out. I'll have to test this and verify myself later today.

Would it solve the problem to revert the flame shield to how it was before, or make the flame shield as a non-spin character damage enemies without putting them in a spin state, like the elemental shield? And would the lightning shield also have to be changed back to prevent inconsistency? I feel like a big problem sprung up from a seemingly harmless change.