Painings and itemframes placed on honey or slimeblocks will pop off, if the sticky block they are attached to gets moved.

What I expected to happen was...:
I expected the paintings and itemframes to get moved with the block, as every other minecraft block (with a few intended exceptions) does.

What actually happened was...:
When moving the block, itemframes and Paintings pop off the sticky block, as when i break the block they are attached to.And i doubt that this is intended behaviour.

Steps to Reproduce:
1. Place Honey and Slime block vertically on top of each other
2. Place a piston underneath both, facing them
3. Place one block paintings and itemframes on the sides of the sticky blocks

4. Power the piston, so it pushes the sticky blocks

5. Witness the result