fix(firewall): account for authentication failures exactly once

Signed-off-by: Sebastian Krupinski <krupinski01@gmail.com>

shared/lib/Event/Event.php

@@ -12,6 +12,7 @@ class Event
     private bool $propagationStopped = false;
     private array $data = [];
     private float $timestamp;
+    private string $eventId;
     private ?string $tenantId = null;
     private ?string $identityId = null;
 
@@ -21,6 +22,7 @@ class Event
     ) {
         $this->data = $data;
         $this->timestamp = microtime(true);
+        $this->eventId = bin2hex(random_bytes(16));
     }
 
     /**
@@ -80,6 +82,11 @@ class Event
         return $this->timestamp;
     }
 
+    public function getEventId(): string
+    {
+        return $this->eventId;
+    }
+
     /**
      * Stop event propagation to subsequent listeners
      */
@@ -143,4 +150,4 @@ class Event
             'identityId' => $this->identityId,
         ];
     }
-}
+}