fix: visually hide deleted messages immediately (#5844)

CHANGELOG.md

@@ -14,6 +14,7 @@
 - Bugfix: Fixed tabs not scaling to the default scale when changing the scale from a non-default value. (#5794)
 - Bugfix: Closing a usercard will no longer cause stop-logging messages to be generated in channel logs. (#5828)
 - Bugfix: Fixed tabs not scaling to the default scale when changing the scale from a non-default value. (#5794, #5833)
+- Bugfix: Fixed deleted messages not disappearing when "Hide deleted messages" is enabled. (#5844)
 - Dev: Highlight checks now use non-capturing groups for the boundaries. (#5784)
 - Dev: Updated Conan dependencies. (#5776)
 - Dev: Replaced usage of `parseTime` with `serverReceivedTime` for clearchat messages. (#5824)

src/providers/twitch/IrcMessageHandler.cpp

@@ -523,6 +523,13 @@ void IrcMessageHandler::handleClearMessageMessage(Communi::IrcMessage *message)
         chan->addMessage(MessageBuilder::makeDeletionMessageFromIRC(msg),
                          MessageContext::Original);
     }
+
+    if (getSettings()->hideModerated && !tags.contains("historical"))
+    {
+        // XXX: This is expensive. We could use a layout request if the layout
+        //      would store the previous message flags.
+        getApp()->getWindows()->forceLayoutChannelViews();
+    }
 }
 
 void IrcMessageHandler::handleUserStateMessage(Communi::IrcMessage *message)