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Fix two finger gesture glitch causing canvas to jump/rotate

Sharaf Zaman requested to merge szaman/krita:bug-452662-two-finger-gesture-glitch into master

Typically the state is reset as a symptom of continuous touch events even after the finger is lifted. What I mean:

  1. User lifts a finger (in two finger touch). We get a touch event with two touchpoints and it is forwarded to this action.

  2. Due to slight jitter another touch event but with single touch point is sent by the OS and this is what resets the state of an action which relies on state of previous events.

But on Windows or in the case of this bug, (2) is never sent, this makes the action think that the touchpoint was never released, therefore the state is never reset.

BUG:452662

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