Fix/disable cancel button on save (#6204)

# This PR

- Fix #5675 
- Fix #6118 

Similarly to #5673 I have improved the field creation time by
re-fetching data on page redirection to the object page

<img width="1511" alt="Screenshot 2024-07-10 at 16 06 37"
src="https://github.com/twentyhq/twenty/assets/61581306/8ef8f4cb-4334-4f4c-b5d9-fea11fd5d99a">

@FellipeMTX @Bonapara

---------

Co-authored-by: Félix Malfait <felix.malfait@gmail.com>

packages/twenty-front/src/pages/settings/data-model/SettingsObjectEdit.tsx

@@ -124,6 +124,7 @@ export const SettingsObjectEdit = () => {
             {activeObjectMetadataItem.isCustom && (
               <SaveAndCancelButtons
                 isSaveDisabled={!canSave}
+                isCancelDisabled={isSubmitting}
                 onCancel={() =>
                   navigate(`${settingsObjectsPagePath}/${objectSlug}`)
                 }