feat(dashboard): Customer groups domain (#6098)

**What**
- Adds list, detail, edit, create, add customers views to the CG domain.

**Note**
- Missing metadata in forms (coming in separate PR for entire admin)
- Missing table filters (separate PR)

CLOSES CORE-1648

packages/admin-next/dashboard/src/components/common/empty-table-content/empty-table-content.tsx

@@ -4,7 +4,7 @@ import { useTranslation } from "react-i18next"
 import { Link } from "react-router-dom"
 
 type NoResultsProps = {
-  title: string
+  title?: string
   message?: string
 }
 
@@ -16,7 +16,7 @@ export const NoResults = ({ title, message }: NoResultsProps) => {
       <div className="flex flex-col items-center gap-y-2">
         <MagnifyingGlass />
         <Text size="small" leading="compact" weight="plus">
-          {title}
+          {title ?? t("general.noResultsTitle")}
         </Text>
         <Text size="small" className="text-ui-fg-subtle">
           {message ?? t("general.noResultsMessage")}
@@ -51,7 +51,9 @@ export const NoRecords = ({ title, message, action }: NoRecordsProps) => {
       </div>
       {action && (
         <Link to={action.to}>
-          <Button variant="secondary">{action.label}</Button>
+          <Button variant="secondary" size="small">
+            {action.label}
+          </Button>
         </Link>
       )}
     </div>