Adjustment for Boat path to reach squares outside Whirlpool

[LeHerosInconnu]

"Since it doesn't cost any movement points to move from one Whirpool to another using the space bar, I suggest that the cost of moving from one square to another square of the same Whirhlpool doesn't cost movement points either."
Related discussion: #3562.

Therefore, I also suggest that a Boat should take the shortest path (indicated by the red arrow) across the Whirlpool (without costing movement points while on squares of the Whirlpool) instead of moving around the Whirlpool.

In fheroes2:

Here is the test scenario file:
0Test06h.zip

[LeHerosInconnu]

Maybe I'll revisit that later.
I close the discussion.