Add waterlogging check for buckets (#1156)

Co-authored-by: Adam <[email protected]>

src/main/java/me/ryanhamshire/GriefPrevention/PlayerEventHandler.java

@@ -1461,6 +1461,15 @@ class PlayerEventHandler implements Listener
         Block block = bucketEvent.getBlockClicked().getRelative(bucketEvent.getBlockFace());
         int minLavaDistance = 10;
 
+        // Fixes #1155:
+        // Prevents waterlogging blocks placed on a claim's edge.
+        // Waterlogging a block affects the clicked block, and NOT the adjacent location relative to it.
+        if (bucketEvent.getBucket() == Material.WATER_BUCKET
+                && bucketEvent.getBlockClicked().getBlockData() instanceof Waterlogged)
+        {
+            block = bucketEvent.getBlockClicked();
+        }
+
         //make sure the player is allowed to build at the location
         String noBuildReason = instance.allowBuild(player, block.getLocation(), Material.WATER);
         if (noBuildReason != null)