Feature/am 427 sidebar only basic html

Closes feature/am-427-sidebar-only-basic-html

src/Drush/Commands/MigrateCleanupCommand.php

@@ -221,12 +221,6 @@ class MigrateCleanupCommand extends DrushCommands {
       }
       return true;
     }
-
-    // Always preserve Drupal-specific tags
-    $drupal_tags = ['drupal-entity', 'drupal-media'];
-    if (in_array(strtolower($node->nodeName), $drupal_tags)) {
-      return true;
-    }
     
     // If it's a script or style element, remove it.
     if (in_array(strtolower($node->nodeName), ['script', 'style'])) {
@@ -257,11 +251,13 @@ class MigrateCleanupCommand extends DrushCommands {
       }
     }
 
-    // If the node has no children and no text content, mark it for removal.
+    // Only check specific tags for emptiness
+    $tags_to_check = ['p', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'strong', 'b', 'em', 'i', 
+                      'small', 'mark', 'del', 'ins', 'sub', 'sup', 'q', 'cite', 'pre'];
+    
+    // If the node has no children and no text content, check if it's in our list of tags to check
     if (!$keep_node && $node->childNodes->length === 0) {
-      // Check if the node is not a self-closing tag like <img>, <br>, etc.
-      $self_closing_tags = ['img', 'br', 'hr', 'input', 'meta', 'link'];
-      if (!in_array(strtolower($node->nodeName), $self_closing_tags)) {
+      if (in_array(strtolower($node->nodeName), $tags_to_check)) {
         return false;
       }
     }