refactor: Replace 'pm' with 'dm' (2).

Author: Ajnus

docs/developer-feature-tutorial.md

@@ -2,7 +2,7 @@
 
 This tutorial shows how typing indicator was implemented in the client. The process for adding a new feature to zulip terminal varies greatly depending on the feature. This tutorial is intended to make you familiar with the general process.
 
-Since the typing indicator data for the other user in pm cannot be generated locally, it should be received from the client.
+Since the typing indicator data for the other user in dm cannot be generated locally, it should be received from the client.
 
 A quick google search for `zulip typing indicator` points to https://zulip.readthedocs.io/en/latest/subsystems/typing-indicators.html. This document explains how typing indicator is implemented on the web client and is useful in understanding how typing indicator works internally.
 

zulipterminal/helper.py

@@ -498,9 +498,9 @@ def classify_unread_counts(model: Any) -> UnreadCounts:
     mentions_count = len(unread_msg_counts["mentions"])
     unread_counts["all_mentions"] += mentions_count
 
-    for pm in unread_msg_counts["pms"]:
-        count = len(pm["unread_message_ids"])
-        unread_counts["unread_pms"][pm["sender_id"]] = count
+    for dm in unread_msg_counts["pms"]:
+        count = len(dm["unread_message_ids"])
+        unread_counts["unread_pms"][dm["sender_id"]] = count
         unread_counts["all_msg"] += count
         unread_counts["all_pms"] += count