Expose canReach to mob pathfinding API (#10636)

patches/api/0148-Mob-Pathfinding-API.patch

@@ -13,10 +13,10 @@ You can use EntityPathfindEvent to cancel new pathfinds from overriding your cur
 
 diff --git a/src/main/java/com/destroystokyo/paper/entity/Pathfinder.java b/src/main/java/com/destroystokyo/paper/entity/Pathfinder.java
 new file mode 100644
-index 0000000000000000000000000000000000000000..43f062257472a06e9e64c2feef6c3b1012aee00e
+index 0000000000000000000000000000000000000000..3c1e2c93d923a683cc0455af77c43784ef12270e
 --- /dev/null
 +++ b/src/main/java/com/destroystokyo/paper/entity/Pathfinder.java
-@@ -0,0 +1,212 @@
+@@ -0,0 +1,220 @@
 +package com.destroystokyo.paper.entity;
 +
 +import org.bukkit.Location;
@@ -227,6 +227,14 @@ index 0000000000000000000000000000000000000000..43f062257472a06e9e64c2feef6c3b10
 +         * @return The closest point the path can get to the target location
 +         */
 +        @Nullable Location getFinalPoint();
++
++        /**
++         * Checks whether the final point can be reached
++         *
++         * @return whether the final point can be reached
++         * @see #getFinalPoint()
++         */
++        boolean canReachFinalPoint();
 +    }
 +}
 diff --git a/src/main/java/org/bukkit/entity/Mob.java b/src/main/java/org/bukkit/entity/Mob.java