chore: remove "treatCiphertextMessagesAsReal" flag

!BREAKING_CHANGE

This was generally a poor design decision on my part to add something like this -- primarily because it could increment the chat unread counter a 100 times for a single message

tsconfig.json

@@ -7,6 +7,7 @@
     "checkJs": false,
     "outDir": "lib",
     "strict": false,
+    "skipLibCheck": true,
     "noImplicitThis": true,
     "esModuleInterop": true,
     "resolveJsonModule": true,