Polish settings page titles and admin tables (#22305)

## Summary

- Reuse the shared settings title presentation for read-only and
editable settings page titles.
- Polish settings AI/app icons, breadcrumb cropping, and admin detail
title icons.
- Align admin panel table/card typography and spacing with existing
settings tables.

## Before/After

<img width="1524" height="2214" alt="Settings pages before and after"
src="https://github.com/user-attachments/assets/91037b25-b442-4eb2-b244-1d8280ce2cd9"
/>

<img width="2200" height="3268" alt="Additional settings UI before and
after"
src="https://github.com/user-attachments/assets/f10d7283-7031-4958-8539-649c3067cd31"
/>

<!-- This is an auto-generated description by cubic. -->
<a
href="https://cubic.dev/pr/twentyhq/twenty/pull/22305?utm_source=github"
target="_blank" rel="noopener noreferrer"
data-no-image-dialog="true"><picture><source
media="(prefers-color-scheme: dark)"
srcset="https://www.cubic.dev/buttons/review-in-cubic-dark.svg"><source
media="(prefers-color-scheme: light)"
srcset="https://www.cubic.dev/buttons/review-in-cubic-light.svg"><img
alt="Review in cubic"
src="https://www.cubic.dev/buttons/review-in-cubic-dark.svg"></picture></a>
<!-- End of auto-generated description by cubic. -->

packages/twenty-front/src/modules/settings/admin-panel/components/SettingsAdminServerAdmins.tsx

@@ -18,7 +18,7 @@ import { Section } from 'twenty-ui/layout';
 import { ThemeContext, themeCssVariables } from 'twenty-ui/theme-constants';
 import { GetServerAdminsDocument } from '~/generated-admin/graphql';
 
-const SERVER_ADMINS_GRID_TEMPLATE_COLUMNS = '2fr 1fr 1fr 36px';
+const SERVER_ADMINS_GRID_TEMPLATE_COLUMNS = '1fr 2fr 1fr 36px';
 
 const StyledEmptyState = styled.div`
   color: ${themeCssVariables.font.color.tertiary};
@@ -49,13 +49,13 @@ export const SettingsAdminServerAdmins = () => {
         <StyledEmptyState>{t`No server administrators found.`}</StyledEmptyState>
       ) : (
         <Table>
+          <TableRow gridTemplateColumns={SERVER_ADMINS_GRID_TEMPLATE_COLUMNS}>
+            <TableHeader>{t`Administrator`}</TableHeader>
+            <TableHeader>{t`Admin panel`}</TableHeader>
+            <TableHeader>{t`Impersonation`}</TableHeader>
+            <TableHeader />
+          </TableRow>
           <TableBody>
-            <TableRow gridTemplateColumns={SERVER_ADMINS_GRID_TEMPLATE_COLUMNS}>
-              <TableHeader>{t`Administrator`}</TableHeader>
-              <TableHeader>{t`Admin panel`}</TableHeader>
-              <TableHeader>{t`Impersonation`}</TableHeader>
-              <TableHeader />
-            </TableRow>
             {serverAdmins.map((admin) => {
               const adminLabel =
                 `${admin.firstName || ''} ${admin.lastName || ''}`.trim() ||