preview js image update in mastieryo certificates (#193)

resources/masteriyo/certificate/certificates.json

@@ -27,7 +27,7 @@
     "id": "43",
     "title": "Certificate sample 5",
     "content": "<!-- wp:masteriyo/certificate {\"backgroundImageURL\":\"https://themegrilldemos.com/masteriyo/wp-content/uploads/sites/202/2023/12/Certificate-v5-01.png\",\"backgroundImageID\":44,\"containerWidth\":{\"value\":76,\"unit\":\"%\"},\"paddingTop\":{\"value\":65,\"unit\":\"px\"},\"pageSize\":\"Letter\",\"pageOrientation\":\"L\"} -->\n<div id=\"certificate\" class=\"certificate\"><div class=\"certificate-content-wrapper\"><!-- wp:image {\"align\":\"center\",\"id\":36,\"width\":\"120px\",\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img src=\"https://themegrilldemos.com/masteriyo/wp-content/uploads/sites/202/2023/12/Asset-3-8-1.png\" alt=\"\" class=\"wp-image-36\" style=\"width:120px\"/></figure>\n<!-- /wp:image -->\n\n<!-- wp:heading {\"textAlign\":\"center\",\"fontFamily\":\"GrenzeGotisch\",\"style\":{\"spacing\":{\"padding\":{\"top\":\"65px\"}},\"typography\":{\"fontSize\":\"39px\"}}} -->\n<h2 class=\"wp-block-heading has-text-align-center has-grenze-gotisch-font-family\" style=\"padding-top:65px;font-size:39px\">CERTIFICATE OF ACHIEVEMENT</h2>\n<!-- /wp:heading -->\n\n<!-- wp:spacer {\"height\":\"90px\"} -->\n<div style=\"height:90px\" aria-hidden=\"true\" class=\"wp-block-spacer\"></div>\n<!-- /wp:spacer -->\n\n<!-- wp:paragraph {\"align\":\"center\",\"style\":{\"typography\":{\"fontSize\":\"23px\"},\"spacing\":{\"padding\":{\"bottom\":\"10px\"}}}} -->\n<p class=\"has-text-align-center\" style=\"padding-bottom:10px;font-size:23px\">Presented to</p>\n<!-- /wp:paragraph -->\n\n<!-- wp:masteriyo/student-name {\"clientId\":\"d7c1710c\",\"blockCSS\":\".masteriyo-student-name-block\\u002d\\u002dd7c1710c { text-align: center; }\\n.masteriyo-student-name-block\\u002d\\u002dd7c1710c { font-size: 85px; }\",\"alignment\":\"center\",\"fontSize\":{\"value\":85,\"unit\":\"px\"},\"fontFamily\":\"GreatVibes\"} -->\n<div class=\"wp-block-masteriyo-student-name masteriyo-student-name-block--d7c1710c has-great-vibes-font-family\">{{masteriyo_student_name}}</div>\n<!-- /wp:masteriyo/student-name -->\n\n<!-- wp:paragraph {\"align\":\"center\",\"style\":{\"typography\":{\"fontSize\":\"17px\"},\"spacing\":{\"padding\":{\"bottom\":\"10px\",\"top\":\"30px\"}}}} -->\n<p class=\"has-text-align-center\" style=\"padding-top:30px;padding-bottom:10px;font-size:17px\">Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut laoreevtum zzril delenit augue</p>\n<!-- /wp:paragraph -->\n\n<!-- wp:spacer {\"height\":\"140px\"} -->\n<div style=\"height:140px\" aria-hidden=\"true\" class=\"wp-block-spacer\"></div>\n<!-- /wp:spacer -->\n\n<!-- wp:image {\"align\":\"center\",\"id\":42,\"width\":\"620px\",\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img src=\"https://themegrilldemos.com/masteriyo/wp-content/uploads/sites/202/2023/12/footer-date-and-signature-1.png\" alt=\"\" class=\"wp-image-42\" style=\"width:620px\"/></figure>\n<!-- /wp:image --></div></div>\n<!-- /wp:masteriyo/certificate -->",
-    "preview_image": "https://d1sb0nhp4t2db4.cloudfront.net/resources/masteriyo/certificate/certificate-sample-4-preview.png"
+    "preview_image": "https://d1sb0nhp4t2db4.cloudfront.net/resources/masteriyo/certificate/certificate-sample-5-preview.png"
   },
   {
     "id": "46",