fix: consider empty brick data, if site was copied

src/QUI/Bricks/Manager.php

@@ -739,12 +739,16 @@ public function getBricksByArea($brickArea, QUI\Interfaces\Projects\Site $Site)
             $brickId = (int)$brickData['brickId'];
 
             try {
-                if (isset($brickData['uid'])) {
+                if (!empty($brickData['uid'])) {
                     $Brick    = $this->getBrickByUID($brickData['uid']);
                     $result[] = $Brick->check();
                     continue;
                 }
 
+                if (!$brickId) {
+                    continue;
+                }
+
                 // fallback
                 $Brick = $this->getBrickById($brickId);
                 $Clone = clone $Brick;