SK-1597 Fix card brand choice

- selectedCardScheme will be visible only for CARD NUMBER element
- selectedCardScheme will be empty unless card is selected from drop-down choices

Skyflow/src/main/kotlin/Skyflow/core/elements/state/StateforText.kt

@@ -29,8 +29,8 @@ class StateforText internal constructor(val tf: TextField) : State(tf.columnName
     }
 
     private fun getCardSchemeString(): String {
-        return if (tf.cardType === CardType.EMPTY) ""
-        else tf.cardType.toString()
+        return if (tf.cardType === CardType.EMPTY || !tf.isCustomCardBrandSelected) ""
+        else tf.cardType.defaultName.uppercase()
     }
 
     override fun show(): String {
@@ -69,13 +69,15 @@ class StateforText internal constructor(val tf: TextField) : State(tf.columnName
         state.put("isRequired", isRequired)
         state.put("isFocused", isFocused)
         state.put("isValid", isValid)
-        state.put("selectedCardScheme", selectedCardScheme)
         var value = ""
         if (env == Env.DEV) {
             value = tf.getValue()
         } else if (env == Env.PROD && tf.fieldType == SkyflowElementType.CARD_NUMBER) {
             value = CardType.getBin(tf.getValue())
         }
+        if (tf.fieldType == SkyflowElementType.CARD_NUMBER) {
+            state.put("selectedCardScheme", selectedCardScheme)
+        }
         state.put("value", value)
         return state
     }