feat: Add inbox view under feature flag on the sidebar (#9049)

Co-authored-by: Pranav <pranav@chatwoot.com>

app/javascript/dashboard/i18n/locale/en/inbox.json

@@ -4,17 +4,18 @@
       "TITLE": "Inbox",
       "DISPLAY_DROPDOWN": "Display",
       "LOADING": "Fetching notifications",
-      "EOF": "All notifications loaded 🎉",
       "404": "There are no active notifications in this group.",
       "NO_NOTIFICATIONS": "No notifications",
       "NOTE": "Notifications from all subscribed inboxes",
+      "NO_MESSAGES_AVAILABLE": "Oops! Not able to fetch messages",
       "SNOOZED_UNTIL": "Snoozed until",
       "SNOOZED_UNTIL_TOMORROW": "Snoozed until tomorrow",
       "SNOOZED_UNTIL_NEXT_WEEK": "Snoozed until next week"
     },
     "ACTION_HEADER": {
       "SNOOZE": "Snooze notification",
-      "DELETE": "Delete notification"
+      "DELETE": "Delete notification",
+      "BACK": "Back"
     },
     "TYPES": {
       "CONVERSATION_MENTION": "You have been mentioned in a conversation",

app/javascript/dashboard/i18n/locale/en/settings.json

@@ -195,6 +195,7 @@
   "SIDEBAR": {
     "CURRENTLY_VIEWING_ACCOUNT": "Currently viewing:",
     "SWITCH": "Switch",
+    "INBOX_VIEW": "Inbox View",
     "CONVERSATIONS": "Conversations",
     "INBOX": "Inbox",
     "ALL_CONVERSATIONS": "All Conversations",