added value in case there is a difference

Signed-off-by: Matt Bruce <matt.bruce@verizon.com>

VDS/Components/DropdownSelect/DropdownOptionModel.swift

@@ -12,9 +12,11 @@ extension DropdownSelect {
         
         /// Text that goes as option to DropdownSelect
         public var text: String
+        public var value: String
         
-        public init(text: String) {
+        public init(text: String, value: String? = nil) {
             self.text = text
+            self.value = value ?? text
         }
     }
 }