BE: RBAC: Implement restart permission for KC (#3805)

Author: Haarolean

kafka-ui-api/src/main/java/com/provectus/kafka/ui/controller/KafkaConnectController.java

@@ -211,7 +211,7 @@ public Mono<ResponseEntity<Void>> restartConnectorTask(String clusterName, Strin
     Mono<Void> validateAccess = accessControlService.validateAccess(AccessContext.builder()
         .cluster(clusterName)
         .connect(connectName)
-        .connectActions(ConnectAction.VIEW, ConnectAction.EDIT)
+        .connectActions(ConnectAction.VIEW, ConnectAction.RESTART)
         .build());
 
     return validateAccess.then(

kafka-ui-api/src/main/java/com/provectus/kafka/ui/model/rbac/permission/ConnectAction.java

@@ -7,7 +7,8 @@ public enum ConnectAction implements PermissibleAction {
 
   VIEW,
   EDIT,
-  CREATE
+  CREATE,
+  RESTART
 
   ;