fix: also support nested browsers

Author: Tofandel

src/Repositories/Behaviors/HandleRepeaters.php

@@ -495,7 +495,12 @@ function ($files, $role) use ($locale, $relation, $relationItem) {
             foreach ($relatedItemFormFields['blocks'] ?? [] as $key => $block) {
                 $fields['blocks'][str_contains($key, '|') ? $key : "blocks-$relation-{$relationItem->id}|$key"] = $block;
             }
-            $fields['blocksFields'] = array_merge($fields['blocksFields'] ?? [], $relatedItemFormFields['blocksFields'] ?? []);
+            if (!empty($relatedItemFormFields['blocksFields'])) {
+                $fields['blocksFields'] = array_merge($fields['blocksFields'] ?? [], $relatedItemFormFields['blocksFields']);
+            }
+            if (!empty($relatedItemFormFields['blocksBrowsers'])) {
+                $fields['blocksBrowsers'] = array_merge($fields['blocksBrowsers'] ?? [], $relatedItemFormFields['blocksBrowsers']);
+            }
 
             if (isset($relatedItemFormFields['repeaters'])) {
                 foreach ($relatedItemFormFields['repeaters'] as $childRepeaterName => $childRepeaterItems) {