feat: adopt new context menu in query builder

Special point of attention for review: this removes the filter from the attribute list, and instead uses floating-ui typeahead. This means you can type when the submenu is opened, and it will select it. Pressing enter selects the item. You can also navigate with arrows. HOWEVER, this is a bit more hidden than the previous filter implementation. I personally prefer this, but we may have to teach customers that this exists if they need it (Marijn?).