[Developer] #424 show VPD policy function source

src/main/java/com/cloudhandson/vpdbackoffice/domain/vpd/VpdFunctionSource.java

@@ -0,0 +1,13 @@
+package com.cloudhandson.vpdbackoffice.domain.vpd;
+
+public record VpdFunctionSource(
+    String owner,
+    String objectName,
+    String objectType,
+    String source
+) {
+
+  public boolean found() {
+    return source != null && !source.isBlank();
+  }
+}