Ah the chocolate almond holder...
Yes have to be really careful with that as if it is forced shut the next time it is activated it tries to pull the whole sideboard top off! A cabin crew member warned me it had jammed and demonstrated the issue.

Good shout on the demo if first flight with them - have had a divider go up and down as guy next to me tried to figure out the buttons half way through a flight before too.

Also the welcome basket has to be removed before takeoff and is restocked before they bring it back so if there is anything you particularly like you can remove it before then. The hydration tabs are always a good one and depending where you fly there can be spicy thai mix, Himalayan salt popcorn or roasted fruit mix.
There's always Lindt chocolate too

The amenity bag on the A380 is nice with plenty of practical things and good for a week long journey if forget anything too normally.

Besides that there's a nice pen and notebook you can use to get staff names for kind feedback + a small sleep aid ( eye hydration & pillow mist spray) set in the desk in front of the IFE.

The cocktails are very nice onboard and you can go to the bar should you so wish or have them delivered to seat by asking staff