To eat, you need to hold the secondary mouse button.
If you've placed torches in the off-hand, as soon as your hunger is satisfied, it's practically impossible NOT to place a torch or two.
It would be nice to not switch to the off-hand action immediately after eating.
When eating, an off-hand action should require a second button press.
It's an annoyance.
Invalid, this is a feature request. Please don't mark future versions as affected, you don't have access to them yet.