Dragon eggs do not always drop when destroyed by an explosion

The bug

Certain blocks are intended to always drop when broken by any explosion (e.g. a creeper explosion). The following is a table comparison:

The dragon egg, which is intended to always drop, does not always drop in bedrock edition.

How to reproduce

1. Place several dragon eggs
2. /summon creeper
3. Let the creeper blow up
   →  Some dragon eggs were destroyed without dropping anything