refactor: add all args constructor (planning#2333)

client/src/main/java/dev/fitko/fitconnect/api/domain/model/metadata/MessageFlow.java

 package dev.fitko.fitconnect.api.domain.model.metadata;
 
 
+import lombok.AllArgsConstructor;
 import lombok.Value;
 
 @Value
+@AllArgsConstructor
 public class MessageFlow {
 
     String processInstanceCorrelationId;