Tooltip positioning flickers when score graph appears/vanishes

[SimonN]

Lix 0.10.16

1. In the options, activate tooltips. They're activated by default.
2. Play a networked game.
3. Do something that provokes a tooltip. I forgot what's good that combines well with step 4 or 5.
4. Hover over the score graph to make the large score graph appear.
5. Stop hovering over the graph to make the large score graph disappear.

Tooltip positioning flickers. There is even a graphics frame with (too much transparent clear that erases part of the large score graph).

Expected instead: No flicker. No transparent clear that truncates the large score graph.

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Workaround since Lix 0.10.17: I hide tooltips in multiplayer altogether. Now it all looks clean, but doesn't adhere to the user options anymore if you keep tooltips activated.