Direction arrows fix

[nnngrach]

issue
core request

Updated this method from android
https://github.com/osmandapp/Osmand/blob/4e6f78419808ac87c2f35c4dc11f1161f0c89882/OsmAnd/src/net/osmand/plus/views/layers/geometry/MultiColoringGeometryWay.java#L404

LINE_WIDTH_THRESHOLD_DP = 8f;
lineWidthThresholdPix = AndroidUtils.dpToPxAuto(context.getCtx(), LINE_WIDTH_THRESHOLD_DP);

public boolean useSpecialArrow() {
    return getWidth(0) <= lineWidthThresholdPix;
}

Map style params - Day

Map style params - Night

Switching now is on 8 -> 9 levels

8 - rounds

9 - arrows

On Route Layer this settings works too

[nnngrach]

removed extra mapScaleFactor parameter.
https://github.com/osmandapp/OsmAnd-core/pull/708/files#diff-b2e88e239645cf868790cf5cb34ba00c91ad4f6ee838844089375cc608124d65R614

Inserted VECTOR_LINE_SCALE_COEF instead.
https://github.com/osmandapp/Osmand/blob/2bf9aca979496b4237d27138a20aa1e3cfeb0cc9/OsmAnd/src/net/osmand/plus/views/layers/geometry/GeometryWayDrawer.java#L197

Before / after