feat: Refactor MarkdownConverter to use getter methods for configs and extensions

Author: cklei-carly

src/Fields/Converters/MarkdownConverter.php

@@ -63,14 +63,36 @@ public function setExtensions(array $extensions, bool $merge = true): static
         return $this;
     }
 
+    public function getConfigs(): array
+    {
+        return $this->mdConfigs;
+    }
+
+    public function getExtensions(): array
+    {
+        $extensions = $this->mdExtensions;
+
+        $defaultExtensions = [
+            app(\League\CommonMark\Extension\Attributes\AttributesExtension::class),
+        ];
+
+        foreach ($defaultExtensions as $extension) {
+            if (! in_array($extension, $extensions, true)) {
+                $extensions[] = $extension;
+            }
+        }
+
+        return $extensions;
+    }
+
     private function convertMarkdown($value)
     {
         try {
             if (! is_string($value)) {
                 return $value;
             }
 
-            $value = str($value)->markdown($this->mdConfigs, $this->mdExtensions)->toHtmlString();
+            $value = str($value)->markdown($this->getConfigs(), $this->getExtensions())->toHtmlString();
 
             return $value;