When hitting a mob with a trident that has both riptide and channeling on it during a thunderstorm doesn't cause lightning to spawn

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Riptide and channeling on a trident are mutually exclusive. I'm surprised you could even produce it

It was done through commands, so that makes any issues encountered with it invalid.

This is intended. Channeling only applies to the thrown trident, otherwise hitting with the trident would cause lightning.