Cloning pressure plates or buttons whilst they're activated keeps them pressed forever

The Bug:

Cloning pressure plates or buttons whilst they're activated keeps them pressed forever.

Steps to Reproduce:

• Place down a command block.
• Insert the following command into the command block.

• /clone ~ ~ ~ ~ ~1 ~ ~ ~ ~1

• Place any pressure plate or any button on top of the command block.
• Activate the pressure plate or button.

Observed Behavior:

Cloning pressure plates or buttons whilst they're activated keeps them pressed forever.

Expected Behavior:

Cloning pressure plates or buttons whilst they're activated would not keep them pressed forever.