add viewmodifiers.siwft to conditionally do viewmodifiers

replaced all the .apply s everywhere
colorcodable into its own file
add icon changing for mac

MacNearFuture/Views/Events/AddEventView.swift

@@ -143,11 +143,7 @@ struct AddEventView: View {
 									.buttonStyle(BorderedProminentButtonStyle())
 							}
 							.tint(.accent)
-							.apply {
-								if #available(iOS 17, *) {
-									$0.sensoryFeedback(.success, trigger: bye)
-								}
-							}
+							.modifier(hapticSuccess(trigger: bye))
 							.disabled(event.name.isEmpty)
 							.onTapGesture {
 								if event.name.isEmpty {