DropDown(text: String, elements: List<StringPair>? = null, icon: String? = null, style: ButtonStyle = ButtonStyle.DEFAULT, disabled: Boolean = false, classes: Set<String> = setOf())
text - the label of the dropdown button
elements - an optional list of link elements (special options from DD enum class can be used as values)
icon - the icon of the dropdown button
style - the style of the dropdown button
disabled - determines if the component is disabled on start
classes - a set of CSS class names
Constructor