Drupal entity_embed 1.1 backward compatibility patch for https://www.drupal.org/project/entity_embed/issues/2511404#comment-12129724

entity_embed_1_1_bc_link_to.patch

diff --git a/entity_embed.module b/entity_embed.module
index a531922..e913005 100644
--- a/entity_embed.module
+++ b/entity_embed.module
@@ -10,6 +10,10 @@ use Drupal\Core\Form\FormStateInterface;
 use Drupal\Core\Field\FieldItemListInterface;
 use Drupal\Core\Entity\ContentEntityInterface;
 
+use Drupal\Component\Utility\UrlHelper;
+
+
+
 /**
  * Implements hook_help().
  */
@@ -55,6 +59,11 @@ function template_preprocess_entity_embed_container(array &$variables) {
   $variables['element'] += ['#attributes' => []];
   $variables['attributes'] = $variables['element']['#attributes'];
   $variables['children'] = $variables['element']['#children'];
+  if(isset($variables['element']['#context']['data-entity-embed-display-settings']['link_url'])) {
+    $variables['url'] = UrlHelper::filterBadProtocol($variables['element']['#context']['data-entity-embed-display-settings']['link_url']);
+  } else {
+    $variables['url'] = '';
+  }
 }
 
 /**
diff --git a/src/Form/EntityEmbedDialog.php b/src/Form/EntityEmbedDialog.php
index cc9daaf..697cdb2 100644
--- a/src/Form/EntityEmbedDialog.php
+++ b/src/Form/EntityEmbedDialog.php
@@ -191,6 +191,7 @@ class EntityEmbedDialog extends FormBase {
       'data-entity-embed-display' => 'entity_reference:entity_reference_entity_view',
       'data-entity-embed-display-settings' => isset($form_state->get('entity_element')['data-entity-embed-settings']) ? $form_state->get('entity_element')['data-entity-embed-settings'] : [],
     ];
+
     $form_state->set('entity_element', $entity_element);
     $entity = $this->loadEntityByAttributes($entity_element);
     $form_state->set('entity', $entity ?: NULL);
@@ -500,6 +501,24 @@ class EntityEmbedDialog extends FormBase {
       $form['attributes']['data-entity-embed-display-settings'] += $display->buildConfigurationForm($form, $form_state);
     }
 
+    if (isset($form['attributes']['data-entity-embed-display-settings'])) {
+      if (isset($entity_element['data-entity-embed-display-settings']) && !is_array($entity_element['data-entity-embed-display-settings'])) {
+        $entity_element['data-entity-embed-display-settings'] = Json::decode($entity_element['data-entity-embed-display-settings']);
+      }
+      // Supress Drupal's "Link image to" dropdown when embedding an image,
+      // since the 'Link to' option provides this functionality.
+      if (isset($form['attributes']['data-entity-embed-display-settings']['image_link'])) {
+        $form['attributes']['data-entity-embed-display-settings']['image_link']['#type'] = 'hidden';
+        $form['attributes']['data-entity-embed-display-settings']['image_link']['#value'] = '';
+      }
+      $form['attributes']['data-entity-embed-display-settings']['link_url'] = [
+        '#title' => t('Link to'),
+        '#description' => $this->t('DEPRECATED! Keep it empty. Use WYSIWYG Link button.'),
+        '#type' => 'textfield',
+        '#default_value' => isset($entity_element['data-entity-embed-display-settings']['link_url']) ? Html::decodeEntities($entity_element['data-entity-embed-display-settings']['link_url']) : '',
+      ];
+    }
+
     // When Drupal core's filter_align is being used, the text editor may
     // offer the ability to change the alignment.
     if ($editor->getFilterFormat()->filters('filter_align')->status) {
@@ -645,6 +664,9 @@ class EntityEmbedDialog extends FormBase {
     $entity = $form_state->get('entity');
     $plugin_id = $entity_element['data-entity-embed-display'];
     $plugin_settings = !empty($entity_element['data-entity-embed-display-settings']) ? $entity_element['data-entity-embed-display-settings'] : [];
+    if (isset($entity_element['data-entity-embed-display-settings']['link_url']) && $entity_element['data-entity-embed-display-settings']['link_url'] != ''){
+      $form_state->setError($entity_element, $this->t('Link to is deprecated. Remove its value and use WYSIWYG Link button functionality over embedded entity.'));
+    }
     $display = $this->entityEmbedDisplayManager->createInstance($plugin_id, $plugin_settings);
     $display->setContextValue('entity', $entity);
     $display->setAttributes($entity_element);
diff --git a/templates/entity-embed-container.html.twig b/templates/entity-embed-container.html.twig
index e3af878..f4d234f 100644
--- a/templates/entity-embed-container.html.twig
+++ b/templates/entity-embed-container.html.twig
@@ -12,4 +12,4 @@
  * @ingroup themeable
  */
 #}
-<div{{ attributes }}>{{ children }}</div>
+<article{{ attributes }}>{% if url %}<a href='{{ url }}' {{ url_attributes|default('') }}>{{ children }}</a>{% else %}{{ children }}{% endif %}</article>