Restored resize/reposition contextmenu code

Updated for 42.6.0

Add items' icons to context menu

FIX: progress bar not being rendered in right position and button is not transparent (Vanilla issue)

Fix for 42.1.0

Added "Transfer MAX" button (replaces label).

Now swaps sides based on fluid contents/empty container (i.e. an empty bottle goes on the right, otherwise left).

Initial release