added contents field in browser payload for view content event (#180)

Author: priyambad

app/code/Meta/Conversion/view/frontend/templates/pixel/view_content.phtml

@@ -27,6 +27,10 @@ if ($block->getFacebookPixelID()) {
                             'content_type' => $block->getContentType(),
                             'content_ids' => $block->getContentIDs(),
                             'content_name' => $block->escapeUrl($block->getContentName()) ?? '',
+                            'contents' => [
+                                'id' => $block->getContentIDs() ?? '',
+                                'quantity' => 1
+                            ],
                             'content_category' => $block->getContentCategory() ?? '',
                             'value' => $block->getValue() ?? '',
                             'currency' => $block->getCurrency() ?? ''