fix #424: use dropdowns for VPD policy form

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

@@ -0,0 +1,18 @@
+package com.cloudhandson.vpdbackoffice.domain.vpd;
+
+public record VpdFunctionOption(
+    String owner,
+    String packageName,
+    String functionName,
+    String objectType
+) {
+
+  public String value() {
+    String packagePrefix = packageName == null || packageName.isBlank() ? "" : packageName + ".";
+    return owner + "." + packagePrefix + functionName;
+  }
+
+  public String label() {
+    return value() + " / " + objectType;
+  }
+}

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

@@ -4,6 +4,7 @@ public record VpdPolicyCreateCommand(
     String objectOwner,
     String objectName,
     String policyName,
+    String functionKey,
     String functionOwner,
     String functionName,
     String statementTypes,

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

@@ -0,0 +1,11 @@
+package com.cloudhandson.vpdbackoffice.domain.vpd;
+
+import java.util.List;
+
+public record VpdPolicyFormOptions(
+    List<String> policyNames,
+    List<String> owners,
+    List<VpdFunctionOption> functions,
+    List<String> statementTypes
+) {
+}