fix(i18n): fix duplicate TOML section for ui.admin.tenants

- Prevent template overwrite caused by duplicate section parsing logic
- Ensures '테넌트 목록' correctly renders instead of '테넌트 구성원 ({{count}})'

adminfront/src/locales/template.toml

@@ -878,7 +878,9 @@ user = ""
 
 [ui.admin.tenants]
 add = ""
+delete_selected = ""
 title = ""
+view_org_chart = ""
 
 [ui.admin.tenants.admins]
 add_button = ""