Set DdiActionFeedback ID deprecated (#1091)

* Deprecate DdiActionFeedback ID

Signed-off-by: Florian Ruschbaschan <Florian.Ruschbaschan@bosch.io>

* Add deprecation to FEEDBACK_ACTION_ID in docu

Signed-off-by: Florian Ruschbaschan <Florian.Ruschbaschan@bosch.io>

hawkbit-rest/hawkbit-ddi-api/src/main/java/org/eclipse/hawkbit/ddi/json/model/DdiActionFeedback.java

@@ -37,6 +37,12 @@ import com.fasterxml.jackson.annotation.JsonProperty;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class DdiActionFeedback {
+    /**
+     * @deprecated
+     * This ID is always given by the actionId path variable.
+     * Will be removed in future versions.
+     */
+    @Deprecated
     private final Long id;
     private final String time;