Migrate pagelayout position frontend (#18229)

## Context
Part 1 of migrating gridPosition in favor of typed position
FE should now always send both values to the BE and use both.

Next steps: 
- Update the backend to enforce and validate the new position field + DB
migrations gridPositon -> position (type: GRID)
- Cleanup frontend usage
- Cleanup backend

packages/twenty-server/src/engine/workspace-manager/workspace-migration/workspace-migration-runner/action-handlers/page-layout-widget/services/utils/from-universal-configuration-to-flat-page-layout-widget-configuration.util.ts

@@ -313,7 +313,7 @@ export const fromUniversalConfigurationToFlatPageLayoutWidgetConfiguration = ({
     }
 
     case WidgetConfigurationType.FRONT_COMPONENT: {
-      const { frontComponentUniversalIdentifier, ...rest } =
+      const { frontComponentUniversalIdentifier, configurationType } =
         universalConfiguration;
 
       if (!isDefined(frontComponentUniversalIdentifier)) {
@@ -336,7 +336,7 @@ export const fromUniversalConfigurationToFlatPageLayoutWidgetConfiguration = ({
       }
 
       return {
-        ...rest,
+        configurationType,
         frontComponentId: flatFrontComponent.id,
       };
     }