Bit Invader wave lenght

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Greetings All,
I used LMMS quite a while, so it's time for my first (and for now- only) sugestion wich will help (I think).

I had a problem with Bit Invader wave.
Itself- wave has lenght for 4 up to 200.
When the leght is automatised (e.g.- 150 bit-long wave is getting cutted to 50 bit-long) program forgets about the cutted part.
(Which force You to create the wave from the very beginning).

The button, which "saves" the whole wave lenght (200) would be very usefull.

Was this topic touched in past?
Because I'm here the first time (in Suggestions section).
First time I've seen this proposed. Please file a bug. https://github.com/LMMS/lmms/issues