LFO external editor - Keyboard focus issue

Whenever I use the external editor for LFO custom waves in its detached state, I cannot use the PC-keyboard to play notes or use shortcuts while the focus is on the editor.
This doesn’t happen when the editor is attached, but in this case, I cannot see the DSP chain ?!

(was this always like this? I can switch the equalizer on and off, also the instrument/file column but not the dsp chain? Maybe I have overlooked some button)