UI problem and Crash to desktop while "browsing" scriptnodes
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  I was looking at the various nodes, using the up and down arrowkeys, and got two problems: - 
when i am on the last shown node ( container.oversample4xin the attached picture) and i press the arrow down, the list isn't updated (scrolled up) to show the new selected item
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HISE crashes to desktop when the selection goes to container.oversample, either by clicking it or reaching it using the arrowkeys.
  
 Using Window10 (Italian version, if this matters). 
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 Confirmed here with scriptnode synth. Doesn't happen in regular scriptnode effect though. 
