I can acsess to Active editor mode Toolbar and Toolbox in 4.25 preview 5. there are no options for foliage like in 4.24

I have the same isue

Editor Preferences and search for Enable Legacy Editor Mode UI. Restart editor.

Found here: https://answers.unrealengine.com/questions/962536/missing-modes-panel-in-default-layout.html

Did you find the answer if yes how to do it?