Scrolling panel resets to the top when changing slides.

Hello. I have a set of slides and a menu inside of a scrollbar. Each menu button redirecting to a different slide which will have it's own content.

My problem is, that every time a button is clicked, scrollbar goes back up to the very start. 

I need to have the scrollbar stay as is OR move it to a preset position (not all the way up) Something like an initial state (position) for the scrollbar.

I attached a file, excuse the foreign language please. (also I don't know what format it's best to attach here so I'm just putting .story)

Try clicking on the 5th button, it will open up a long submenu. Scroll down and select a sub-option like "Testas". You will notice how it snaps to the top and leaves selected button burried under.

I am using "reset to initial state" in the slide settings, because otherwise hover and selection states on buttons seem to screw up.

Thank you for any suggestions.