fixing ruby 3 keyword argument errors on new rendering core method

Author: jonasjabari

lib/matestack/ui/core/base.rb

@@ -73,7 +73,7 @@ def render_content
           end
           result = ''
           if self.html_tag
-            result = tag.public_send(self.html_tag, child_content, self.options || {})
+            result = tag.public_send(self.html_tag, child_content, **self.options || {})
           elsif child_content
             result = child_content
           end