fix: Updated Button states for pages and minor UI fix (#6812)

## Description

#6811 

- Deleted button lacked `accent danger` on options menu
- Customize fields `onhover` lacked width to cover entire div tag
- Deactivate button lacked variant

## After

<img width="305" alt="Screenshot 2024-08-31 at 1 43 29 AM"
src="https://github.com/user-attachments/assets/82852227-e7d2-4327-a8cc-8f9f0e84f488">

<img width="229" alt="Screenshot 2024-08-31 at 1 09 31 AM"
src="https://github.com/user-attachments/assets/4783dd5a-a8ab-41b5-83d5-95425b6bebc4">
<img width="163" alt="Screenshot 2024-08-31 at 1 07 49 AM"
src="https://github.com/user-attachments/assets/33ec9928-6463-4797-bfc4-b40a927ec8ec">

---------

Co-authored-by: Charles Bochet <charles@twenty.com>

packages/twenty-front/src/modules/object-record/record-index/options/components/RecordIndexOptionsDropdownContent.tsx

@@ -166,6 +166,7 @@ export const RecordIndexOptionsDropdownContent = ({
               closeDropdown();
             }}
             LeftIcon={IconTrash}
+            accent="danger"
             text={`Deleted ${objectNamePlural}`}
           />
         </DropdownMenuItemsContainer>

packages/twenty-front/src/modules/object-record/record-table/record-table-header/components/RecordTableHeaderPlusButtonContent.tsx

@@ -59,6 +59,7 @@ export const RecordTableHeaderPlusButtonContent = () => {
       )}
       <DropdownMenuItemsContainer>
         <UndecoratedLink
+          fullWidth
           to={`/settings/objects/${getObjectSlug(objectMetadataItem)}`}
           onClick={() => {
             setNavigationMemorizedUrl(location.pathname + location.search);