[Fix] Custom object icon update (#8762)

packages/twenty-front/src/modules/settings/data-model/objects/forms/components/SettingsDataModelObjectAboutForm.tsx

@@ -109,6 +109,7 @@ export const SettingsDataModelObjectAboutForm = ({
   watch('nameSingular');
   watch('namePlural');
   watch('description');
+  watch('icon');
   const apiNameTooltipText = isLabelSyncedWithName
     ? 'Deactivate "Synchronize Objects Labels and API Names" to set a custom API name'
     : 'Input must be in camel case and cannot start with a number';