Streamline how we call the various elements of citation reviewer (#31801)

GitOrigin-RevId: ea6b8c39c35546905617e8845917c8a104e6d5d2

services/web/frontend/js/i18n-resources/writefull.ts

@@ -480,6 +480,8 @@ const en = {
       'You’ve hit your Writefull quota',
     'citations-reviewer.chat.backend-quota-error.freemium.body':
       'To ensure fair access for all users, free accounts have a usage limit. You can check for citations again in __remainingTime__. Upgrade to Premium to unlock the full power of Writefull.',
+    'citations-reviewer.chat.navigation.publications': 'Suggested papers',
+    'citations-reviewer.chat.navigation.custom-search': 'Search',
     'citations-reviewer.chat.non-english-error.title':
       'Citation Reviewer only works on documents written in English',
     'citations-reviewer.chat.non-english-error.body':
@@ -997,6 +999,8 @@ const es = {
       'Has agotado tu cuota de Writefull',
     'citations-reviewer.chat.backend-quota-error.freemium.body':
       'Para garantizar un acceso justo para todos los usuarios, las cuentas gratuitas tienen un límite de uso. Puedes volver a buscar citas en __remainingTime__. Actualiza a Premium para desbloquear todo el potencial de Writefull.',
+    'citations-reviewer.chat.navigation.publications': 'Artículos sugeridos',
+    'citations-reviewer.chat.navigation.custom-search': 'Buscar',
     'citations-reviewer.chat.non-english-error.title':
       'El revisor de citas solo funciona en documentos escritos en inglés',
     'citations-reviewer.chat.non-english-error.body':