Shorten name of DM analytics category

assets/l10n/intl_en.arb

@@ -3609,7 +3609,7 @@
     "zmCountryDisplayName": "Zambia",
     "zwCountryDisplayName": "Zimbabwe",
     "pay": "Pay",
-    "allPrivateChats": "All private chats in space (including with Pangea Bot)",
+    "allPrivateChats": "Direct chats",
     "unknownPrivateChat": "Unknown private chat",
     "copyClassCodeDesc": "Students who are already in the app can 'Join class or exchange' via the main menu.",
     "addToClass": "Add exchange to class",

assets/l10n/intl_es.arb

@@ -4274,7 +4274,7 @@
   "zwCountryDisplayName": "Zimbabue",
   "downloadXLSXFile": "Descargar archivo Excel",
   "unknownPrivateChat": "Chat Privado Desconocido",
-  "allPrivateChats": "Todos los chats privados (incluso con bots) en clase",
+  "allPrivateChats": "Chats privado",
   "chatHasBeenAddedToThisSpace": "Se ha añadido el chat a este espacio",
   "classes": "Clases",
   "spaceIsPublic": "El espacio es público",