RICH_TEXT_V2 backend (#9848)

- Add RICH_TEXT_V2 composite type to backend.
- Add `bodyV2` field to tasks and notes.
- Minimum required frontend changes to avoid errors when creating a note

[Testing
instructions](https://github.com/twentyhq/twenty/pull/9690#issuecomment-2602378218)

---------

Co-authored-by: ad-elias <elias@autodiligence.com>
Co-authored-by: Lucas Bordeau <bordeau.lucas@gmail.com>

packages/twenty-server/src/engine/core-modules/feature-flag/enums/feature-flag-key.enum.ts

@@ -13,5 +13,6 @@ export enum FeatureFlagKey {
   IsJsonFilterEnabled = 'IS_JSON_FILTER_ENABLED',
   IsLocalizationEnabled = 'IS_LOCALIZATION_ENABLED',
   IsBillingPlansEnabled = 'IS_BILLING_PLANS_ENABLED',
+  IsRichTextV2Enabled = 'IS_RICH_TEXT_V2_ENABLED',
   IsNewRelationEnabled = 'IS_NEW_RELATION_ENABLED',
 }

packages/twenty-server/src/engine/core-modules/open-api/utils/components.utils.ts

@@ -266,6 +266,19 @@ const getSchemaComponentsProperties = ({
           type: 'object',
         };
         break;
+      case FieldMetadataType.RICH_TEXT_V2:
+        itemProperty = {
+          type: 'object',
+          properties: {
+            blocknote: {
+              type: 'string',
+            },
+            markdown: {
+              type: 'string',
+            },
+          },
+        };
+        break;
       default:
         itemProperty = getFieldProperties(field.type);
         break;