RSM

..F....... [ZBX-4785] Improve CTweenBox
- Created both list boxes only on demand when CTweenBox::get() is called.
- Store all list box items (options) as CComboItem instances in $items property.
- Stored currently selected item values in $selectedValues property.
- Sort both list boxes by item captions.
- Improve client side code function moveListBoxSelectedItem() to use multiselect options directly.
..F....... [ZBX-4785] Update all views using CTweenBox for new features.