At the moment, the OnChange even fires when:

• the user selects an item from the dropdown
• the user blurs the input
• the user presses enter in the input

The problem with the multiselect is that we have two extra actions:

• remove an already selected item from its own [x] button - OnChange does not fire even though the value changes
• clear all items with the ClearAll button - OnChange does not fire even though the value changes
• delete items with the backspace key