This bug report is a parity issue with Java.

Summary:

You cannot place or add candles by aiming at the side of an adjacent block.
When adding candles (1.17.11), it was impossible to place more than 1 candle aiming at an adjacent block or pivot block, but now you can place and add candles aiming at a pivot block, but you cannot place candles aiming at a side block.
This does not correspond to the Java version.

Steps to Reproduce:

1. Try placing candles aiming at the side of an adjacent block.

Observed Results:

Candles will not be placed.

Expected Results:

Candles must be placed.

Video:

Actual videos:

Java Minecraft 1.17.1 - 2021-08-18 14-28-15.mp4

Bedrock Minecraft 2021-08-18 14-30-03.mp4

Old videos:

Java Minecraft 1.17 -2021-06-10 12-53-40.mp4

Bedrock Minecraft 2021-06-10 12-55-35.mp4