[Cuis] [BUG] Can't click into empty class pane.

[Juan Vuletich]

Thanks, Casey. Fix available at GitHub.

Cheers,
Juan Vuletich

Casey Ransberger wrote:
> Repro:
>
> Open a system browser.
> Right click the category pane.
> Click add item...
> Type a new category name.
> Accept.
> Click in the class pane.
>
> Actual:
>
> Subscript was out of bounds. Here's what was on the stack:
>
>  #('Array(Object)>>error:' 'Array(Object)>>errorSubscriptBounds:' 
> 'Array(Object)>>at:' 'Browser>>classListIndex:' 
> 'PluggableListMorph>>changeModelSelection:' 
> 'PluggableListMorph>>mouseUp:localPosition:' 
> 'PluggableListMorph(Morph)>>processMouseUp:localPosition:' 
> 'MouseButtonEvent>>sentTo:localPosition:' 
> 'PluggableListMorph(Morph)>>handleFocusEvent:' 
> 'HandMorph>>startMouseDispatch:' 
> 'MouseButtonEvent(MouseEvent)>>startDispatchFrom:' 
> 'HandMorph>>startEventDispatch:' 'HandMorph>>processEventQueue' '[] in 
> WorldState>>doOneCycleNowFor:' 'Array(SequenceableCollection)>>do:' 
> 'WorldState>>handsDo:' 'WorldState>>doOneCycleNowFor:' 
> 'WorldState>>doOneCycleFor:' 'PasteUpMorph>>doOneCycle' '[] in 
> ProjectX class>>spawnNewMorphicProcessFor:')
>
>
> -- 
> Casey Ransberger
> ------------------------------------------------------------------------
>
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