fix(ck-mermaid): lazy loading if mermaid is not loaded

src/public/app/widgets/attribute_widgets/attribute_editor.ts

@@ -175,7 +175,8 @@ const editorConfig = {
         'AutoformatMath',
         'indentBlockShortcutPlugin',
         'removeFormatLinksPlugin',
-        'Footnotes'
+        'Footnotes',
+        'Mermaid'
     ],
     toolbar: {
         items: []

src/public/app/widgets/type_widgets/editable_text.js

@@ -257,6 +257,9 @@ export default class EditableTextTypeWidget extends AbstractTextTypeWidget {
                 lazyLoad: async () => await libraryLoader.requireLibrary(libraryLoader.KATEX),
                 forceOutputType: false, // forces output to use outputType
                 enablePreview: true // Enable preview view
+            },
+            mermaid: {
+                lazyLoad: async () => await libraryLoader.requireLibrary(libraryLoader.MERMAID)
             }
         });
     }