Pressing left and right click at almost the same time creates a block in the air

[IntegratedQuantum]

Before Clicking:

After Clicking:

This is happening because the mesh intersection is not refreshed after placing/breaking a block.

[m-m-0-m]

This might work as an intended feature; this may be the case in Minecraft if I'm not mistaken (I think I've seen it used).

[codemob-dev]

Minecraft has it where if you press right and left click at exactly the same time it replaces the selected block, regardless of if it has support or not.