Turtle eggs, sea pickles, and candles are rendered too dark when blocks are placed adjacent to them while smooth lighting is enabled

The Bug:

Turtle eggs, sea pickles, and candles are rendered too dark when blocks are placed adjacent to them while smooth lighting is enabled.

Steps to Reproduce:

1. Enable smooth lighting and place down a turtle egg, sea pickle, or candle.

2. Place blocks all around the turtle egg, sea pickle, or candle.

3. Take note as to whether or not turtle eggs, sea pickles, and candles are rendered too dark when blocks are placed adjacent to them while smooth lighting is enabled.

Observed Behavior:

Turtle eggs, sea pickles, and candles are rendered too dark.

Expected Behavior:

Turtle eggs, sea pickles, and candles would not be rendered too dark.