fix(ai): Ensure that moving near ally will not block him

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 98.11321% with 1 lines in your changes are missing coverage. Please review.

Project coverage is 96.40%. Comparing base (59b3ff9) to head (5a24938). Report is 1 commits behind head on master.

Files	Patch %	Lines
...raknemu/game/fight/ai/action/util/Battlefield.java	85.71%	0 Missing and 1 partial :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #344 +/- ## ============================================ + Coverage 96.39% 96.40% +0.01% - Complexity 9235 9249 +14 ============================================ Files 1414 1415 +1 Lines 23644 23677 +33 Branches 1528 1537 +9 ============================================ + Hits 22791 22826 +35 + Misses 642 640 -2 Partials 211 211 ```

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