link image as well as text

src/Plugin/Field/FieldFormatter/OrcidFieldFormatter.php

@@ -42,7 +42,8 @@ class OrcidFieldFormatter extends FormatterBase {
       $prefix = 'https://orcid.org/';
       // Assumes all field values are just plain text or strings values and not full orcid URLS.
       $orcidUrl = $prefix . $item->value;
-      $imgSrc = '<img class="orcid-id " src="https://orcid.org/sites/default/files/images/orcid_24x24.png">';
+      $imgSrc = '<a href="'. $orcidUrl .
+        '"><img class="orcid-id " src="https://orcid.org/sites/default/files/images/orcid_24x24.png"></a>';
       $link = Link::fromTextAndUrl($orcidUrl, Url::fromUri($orcidUrl));
       $element[$delta] = [$link->toRenderable()];
       $element[$delta][0]['#prefix'] = $imgSrc;