[MC-311214] Enchanted spear with Knockback doesn’t knock back players when attacking with left click

A spear enchanted with Knockback fails to knock back players when attacking with the left mouse button (primary attack).

Linked issues

Hi!
Thank you for your report!

We're already tracking this issue at MC-310859 , so I will resolve and link this ticket as a Duplicate.

I suggest also to browse through the main issue for potential fixes.

If you would like to add a vote and any extra information to the main ticket it would be appreciated.

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