Transform track can't be edited for Spawnable empty actor in Sequencer

Transform track for a spawnable Empty Actor always shows 0, 0, 0 and it can't be edited.

I could repro this in 4.17.2 and 4.18 Preview 2. This does not happen in 4.15.3 and 4.16.3. So this could be a regression.

1. Create an empty actor(from mode panel)
2. Create a new level sequence
3. Add the empty actor and turn it spawnable
4. In Sequencer, transform for the actor is 0,0,0 and you can't edit it

Alternative step for step 1 and 3
Drag an empty actor(in mode panel) to the level sequencer to register the actor as spawnable