Fix >= to <=.

src/main/kotlin/mapping/mappers/TypeFieldMapper.kt

@@ -55,7 +55,7 @@ abstract class TypeFieldMapper : AbstractFieldMapper() {
                 is StringList ->
                     sourceElement.value.forEachIndexed { index, s ->
                         if (s.isNotEmpty()) {
-                            if (properties.size >= index + 1) {
+                            if (properties.size <= index + 1) {
                                 properties[index].add(Pair(field.key, field.toLiteral(s)))
                             } else {
                                 properties.add(index, mutableListOf(Pair(field.key, field.toLiteral(s))))