Survey mission turn bug

[Ralfde]

Omnibus F4PRO V3 inav 2.2.1
I programmed a mission in Android
mission_17_7_2019-2_57halde.zip

inav mission planner and I have the following behaviour.
At the left turns of a survey mission, the copter turns 2x 90 degree, which is correct.
At the right turns of a survey mission, the copter turns first 90 degree right, but next instead of turning 90 degree right again, it turns 270 degree left.
So this effect does mainly waist flight time.
Please test and correct.
I think such a behaviour I saw also at normal waypoint flying at some cases.

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