Clicking on an item of a GUI.TYPE_LIST after scrolling selects the wrong item

[eikel]

Initially reported by @eikel as #660:

Steps to reproduce:

• Start PADrend
• "Plugins" ---> "Spherical Sampling" ---> "Single Sampling Sphere"
• In Window "Spherical Sampling" click "Add >>" ---> "Subdivsion Sphere" ---> "Generate Samples"
• Now, selecting items in the list works.
• Scroll the list down.
• After scrolling, the wrong items are selected.

Another possibility:
ListView test in GUI tests (binary number)