Expose isUnderWater to Entity (#8454)

patches/server/Add-entity-liquid-API.patch

@@ -13,26 +13,37 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
          return getHandle().spawnReason;
      }
 +
++    @Override
++    public boolean isUnderWater() {
++        return getHandle().isUnderWater();
++    }
++
++    @Override
 +    public boolean isInRain() {
 +        return getHandle().isInRain();
 +    }
 +
++    @Override
 +    public boolean isInBubbleColumn() {
 +        return getHandle().isInBubbleColumn();
 +    }
 +
++    @Override
 +    public boolean isInWaterOrRain() {
 +        return getHandle().isInWaterOrRain();
 +    }
 +
++    @Override
 +    public boolean isInWaterOrBubbleColumn() {
 +        return getHandle().isInWaterOrBubble();
 +    }
-+    
++
++    @Override
 +    public boolean isInWaterOrRainOrBubbleColumn() {
 +        return getHandle().isInWaterRainOrBubble();
 +    }
 +
++    @Override
 +    public boolean isInLava() {
 +        return getHandle().isInLava();
 +    }