Add missing i18n keys to extracted-translations.json

top_bottom_split_view, export_as_typst, and export_as_latex were absent
from the whitelist, so translations-loader.js stripped them from the
locale bundles at build time — causing raw keys to show in the UI.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

services/web/frontend/extracted-translations.json

@@ -669,7 +669,9 @@
   "explore_plans": "",
   "export_as_docx": "",
   "export_as_html": "",
+  "export_as_latex": "",
   "export_as_markdown": "",
+  "export_as_typst": "",
   "export_csv": "",
   "export_project_to_github": "",
   "failed": "",
@@ -2221,6 +2223,7 @@
   "tooltip_hide_pdf": "",
   "tooltip_show_panel": "",
   "tooltip_show_pdf": "",
+  "top_bottom_split_view": "",
   "total_due_in_x_days": "",
   "total_due_today": "",
   "total_per_month": "",