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There's nothing in the trigger group that contacts the bolt except the hammer and "sort of" the ejector.
I don't see any way either could cause this.
The ejector may not actually contact the bolt, and it's not connected to any other part of the rifle. It's just a thin bar held in with a pin.
The hammer is a free swinging design that just pivots on the hammer pin, and the sear just holds it in the cocked position.
Pulling the trigger can't force the hammer up against the bolt, unless the trigger unit has been altered or something is vary badly wrong.
In short, I don't know of anything in a normal 10/22 that could cause a held-back trigger to interfere with bolt movement.
All I can suggest as a trouble shooting procedure is to unload the rifle, pull and hold the trigger back and check for smooth bolt movement by pulling the bolt handle.
Next, install an empty magazine and try again.
If there is something causing interference with the bolt, you should be able to feel it.
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