Ranged capture (#5975)

* Initial attempt

* Allow Ranged to move into unguarded Civilian Unit

* Comment for clarity

* Fix unit test so that it doesn't segfault and checks you can't move into military units

* Unify that all units can move on to (and through) unguarded civilians that you are at war with
Add TileInfo.getUnguardedCivilian() to quickly respond if there is an unguarded Civilian on the tile
Something is bugged in movement code

* Fix MapUnit.moveThroughTile() so that it doesn't segfault by fixing getUnguardedCivilian()

* captureCivilianUnit() call is now redundant in postBattleMoveToAttackedTile() since canMoveTo() will now return true and capture will happen during the moveToTile() call

Co-authored-by: temurakami <spellman23@gmail.com>

tests/src/com/unciv/logic/map/UnitMovementAlgorithmsTests.kt

@@ -215,6 +215,18 @@ class UnitMovementAlgorithmsTests {
         otherCiv.nation = Nation().apply { name = Constants.barbarians }
         val otherUnit = MapUnit()
         otherUnit.civInfo = otherCiv
+        otherUnit.baseUnit = BaseUnit()
+        // melee check
+        otherUnit.baseUnit.strength = 1
+        tile.militaryUnit = otherUnit
+
+        for (type in ruleSet.unitTypes) {
+            unit.baseUnit = BaseUnit().apply { unitType = type.key; ruleset = ruleSet }
+
+            Assert.assertFalse("$type must not enter occupied tile", unit.movement.canPassThrough(tile))
+        }
+        // ranged check
+        otherUnit.baseUnit.rangedStrength = 1 // make non-Civilian ranged
         tile.militaryUnit = otherUnit
 
         for (type in ruleSet.unitTypes) {