perf(firewall): use BSON dates and add query indexes

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

core/lib/Models/Firewall/FirewallLogObject.php

@@ -90,9 +90,7 @@ class FirewallLogObject implements \JsonSerializable, JsonDeserializable
             $this->identityId = $data['identityId'] !== null ? (string)$data['identityId'] : null;
         }
         if (array_key_exists('timestamp', $data)) {
-            $this->timestamp = $data['timestamp'] !== null 
-                ? new \DateTimeImmutable($data['timestamp']) 
-                : null;
+            $this->timestamp = self::deserializeDate($data['timestamp']);
         }
         if (array_key_exists('metadata', $data)) {
             $this->metadata = $data['metadata'] !== null ? (array)$data['metadata'] : null;
@@ -122,6 +120,24 @@ class FirewallLogObject implements \JsonSerializable, JsonDeserializable
         ];
     }
 
+    private static function deserializeDate(mixed $value): ?\DateTimeImmutable
+    {
+        if ($value === null) {
+            return null;
+        }
+        if ($value instanceof \MongoDB\BSON\UTCDateTime) {
+            return \DateTimeImmutable::createFromMutable($value->toDateTime());
+        }
+        if ($value instanceof \DateTimeImmutable) {
+            return $value;
+        }
+        if ($value instanceof \DateTimeInterface) {
+            return \DateTimeImmutable::createFromInterface($value);
+        }
+
+        return new \DateTimeImmutable((string)$value);
+    }
+
     // Getters and setters
 
     public function getId(): ?string