Support user consent flow (#1293)

* Introduce user consent flow
* Add permissions to confirmation management
* rename from consent to confirmation
* Reformat code. Remove unused imports. Change and add permission checks when configuring auto-confirmation.
* Do not include null values for DDI confirmation base endpoint
* fix confirmation required checkbox id
* Remove unused import. Fix consume/produce type of new API's.
* Change term processing to proceeding when activating user consent flow
* Align formatting and extend integration test cases for DMF and DDI.
* Extend DMF test cases to consider auto-confirmation
* Refactor action management to fix problem of handling action status updates on closed actions.
* remove unsupported validation
* use new confirmation api for DMF. Extend test cases.,
* Remove unnecessary fields.
* Extend API documentation for DDI and MGMT API.
* adapt ddi api docs adoc file
* Fixed the duplicate migration version for db files
* fix method to support confirmation
* Fixed PR comments
* Addressed PR comments
* Fixed after merge compilation issue
* Fixed after merge compilation issue
* Fix failing tests in MgmtRolloutResourceTest
* Fixed the permissions issue reflected by integration tests
* Added back the missing line of code lost during merge
* Fix the failing test on Jenkins

Signed-off-by: Stanislav Trailov <stanislav.trailov@bosch.io>
Signed-off-by: Dimitar Shterev <dimitar.shterev@bosch.io>
Signed-off-by: Michael Herdt <Michael.Herdt@bosch.io>
Signed-off-by: Shruthi Manavalli Ramanna <shruthimanavalli.ramanna@bosch-si.com>
Co-authored-by: Shruthi Manavalli Ramanna <shruthimanavalli.ramanna@bosch-si.com>

hawkbit-core/src/main/java/org/eclipse/hawkbit/exception/SpServerError.java

@@ -20,10 +20,23 @@ public enum SpServerError {
     SP_REPO_GENERIC_ERROR("hawkbit.server.error.repo.genericError", "unknown error occurred"),
 
     /**
-    *
-    */
+     *
+     */
     SP_REPO_ENTITY_ALREADY_EXISTS("hawkbit.server.error.repo.entitiyAlreayExists",
-            "The given entity already exists in database"),
+          "The given entity already exists in database"),
+
+    /**
+     *
+     */
+    SP_REPO_AUTO_CONFIRMATION_ALREADY_ACTIVE("hawkbit.server.error.repo.autoConfAlreadyActive",
+          "Auto confirmation is already active"),
+
+
+    /**
+     *
+     */
+    SP_CONFIRMATION_FEEDBACK_INVALID("hawkbit.server.confirmation.feedback.invalid",
+          "Confirmation feedback is not valid"),
 
     /**
     *