Certain blocks remove water when placed in it, even if "waterloggable"

The bug

Certain blocks will automatically gain the "waterlogged" tag when placed inside a block of water. However, some will not, even if they are capable of having water placed in them later on by a bucket.

Affected blocks

List possibly incomplete

• Iron Bars

• Glass Panes

• Stained Glass Panes

• Cobblestone Walls

• Mossy Cobblestone Walls