fix multiple schema

editors/demo/src/HHMI/HHMI.js

@@ -14,6 +14,7 @@ const renderImage = file => {
     setTimeout(() => reader.readAsDataURL(file), 150);
   });
 };
+const t = `<p class="paragraph">sdfsd</p><p class="paragraph">fdfs</p><div id="4cdb7e13-514d-4c6d-b2f3-f5b1a07af10a" class="mutiple-choice"><div class="mutiple-choice-option" id="d394ff84-5153-49e2-af12-141b05883be4" correct="false" feedback=""><p class="paragraph">rwerewrwer</p></div><div class="mutiple-choice-option" id="4efaa449-4d06-448b-98cd-a3b1c58b5b62" correct="false" feedback=""><p class="paragraph"></p></div></div>`;
 
 const Hhmi = () => {
   return (
@@ -22,10 +23,10 @@ const Hhmi = () => {
         config={config}
         autoFocus
         fileUpload={file => renderImage(file)}
-        value=""
+        value={t}
         // readonly
         layout={HhmiLayout}
-        // onChange={source => console.log(source)}
+        onChange={source => console.log(source)}
       />
     </>
   );

editors/demo/src/HHMI/MultipleChoiceQuestionService/components/ToolBarBtn.js

@@ -58,7 +58,7 @@ const ToolBarBtn = ({ view = {}, item }) => {
       ),
     );
 
-    /* create First Option */
+    /* create Second Option */
     const newAnswerId = uuidv4();
     const answerOption = main.state.config.schema.nodes.multiple_choice.create(
       { id: newAnswerId },

editors/demo/src/HHMI/MultipleChoiceQuestionService/schema/multipleChoiceContainerNode.js

@@ -4,8 +4,10 @@ const multipleChoiceContainerNode = {
     class: { default: 'mutiple-choice' },
   },
   group: 'block',
-  atom: true,
-  content: 'block+',
+  // atom: true,
+  selectable: true,
+  draggable: false,
+  content: 'multiple_choice+',
   parseDOM: [
     {
       tag: 'div.mutiple-choice',

editors/demo/src/HHMI/MultipleChoiceQuestionService/schema/multipleChoiceNode.js

+import { v4 as uuidv4 } from 'uuid';
+
 const multipleChoiceNode = {
   attrs: {
     class: { default: 'mutiple-choice-option' },
-    id: { default: '' },
+    id: { default: uuidv4() },
     correct: { default: false },
     feedback: { default: '' },
   },
   group: 'block',
   content: 'block*',
+  defining: true,
+
   // atom: true,
   parseDOM: [
     {

editors/demo/src/HHMI/layout/EditorElements.js

@@ -330,6 +330,7 @@ export default css`
     counter-reset: question-item-multiple;
     margin: 38px;
     padding: 20px;
+    padding-top: 0px;
 
     &:before {
       bottom: 45px;
@@ -339,14 +340,6 @@ export default css`
       right: 20px;
     }
 
-    .portal p {
-      display: block !important;
-    }
-
-    p:last-of-type {
-      display: none;
-    }
-
     .ProseMirror {
       box-shadow: none;
       padding: 5px 5px 0 5px;