Improve segment end state detection and calculation accuracy in the leaving the segment decision making

[krzychu124]

Resolves #1229 by invalidating the feature request (no longer needed)

• solves the problem with detecting traffic light state when vehicle is approaching short segments with traffic lights
• solves the problem with very inaccurate priority detection when vehicle is approaching short segments (own or adjacent)
• applies only at Very High Simulation Accuracy setting, since it may affect performance

TODO tests (awaiting feedback):

• Timed Traffic Lights set on short segments, preferably with high speed limit
• Priority signs on relatively short segments, roundabouts,
• Overall performance feeling or stats when running big cities with a lot of moving traffic

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