#5237 Handling label size for elk layout

cypress/platform/state-refactor.html

@@ -1221,6 +1221,8 @@ direction LR
 
   <script type="module">
     import mermaid from './mermaid.esm.mjs';
+    import { layouts } from './mermaid-layout-elk.esm.mjs';
+    mermaid.registerLayoutLoaders(layouts);
     mermaid.parseError = function (err, hash) {
 
     };