fix: SdkFieldV1 maps "measure" to "duration" (TEDEFO-5013)

Author: rousso

src/main/java/eu/europa/ted/eforms/sdk/entity/v1/SdkFieldV1.java

@@ -34,6 +34,16 @@ public SdkFieldV1(
         getRepeatable(repeatable));
   }
 
+  // In SDK 1.x, "measure" semantically means "duration" (there was no "duration" type yet).
+  @Override
+  public String getType() {
+    String type = super.getType();
+    if ("measure".equals(type)) {
+      return "duration";
+    }
+    return type;
+  }
+
   protected static String getCodelistId(Map<String, Map<String, String>> codelist) {
     if (codelist == null) {
       return null;