Use extended version of getLightValue in all places (#6433)

src/main/java/net/minecraftforge/common/extensions/IForgeBlock.java

@@ -117,7 +117,7 @@ public interface IForgeBlock
      * @param pos
      * @return The light value
      */
-    default int getLightValue(BlockState state, ILightReader world, BlockPos pos)
+    default int getLightValue(BlockState state, IBlockReader world, BlockPos pos)
     {
         return state.getLightValue();
     }

src/main/java/net/minecraftforge/common/extensions/IForgeBlockState.java

@@ -84,7 +84,7 @@ public interface IForgeBlockState
     /**
      * Get a light value for this block, taking into account the given state and coordinates, normal ranges are between 0 and 15
      */
-    default int getLightValue(ILightReader world, BlockPos pos)
+    default int getLightValue(IBlockReader world, BlockPos pos)
     {
         return getBlockState().getBlock().getLightValue(getBlockState(), world, pos);
     }