refactor: Remove Leading Mention in Replies and Highlight Participated Threads (#4047)

src/providers/twitch/TwitchMessageBuilder.cpp

@@ -999,8 +999,10 @@ void TwitchMessageBuilder::appendTwitchEmote(
             return;
         }
 
-        auto start = correctPositions[coords.at(0).toUInt()];
-        auto end = correctPositions[coords.at(1).toUInt()];
+        auto start =
+            correctPositions[coords.at(0).toUInt() - this->messageOffset_];
+        auto end =
+            correctPositions[coords.at(1).toUInt() - this->messageOffset_];
 
         if (start >= end || start < 0 || end > this->originalMessage_.length())
         {
@@ -1589,4 +1591,9 @@ void TwitchMessageBuilder::setThread(std::shared_ptr<MessageThread> thread)
     this->thread_ = std::move(thread);
 }
 
+void TwitchMessageBuilder::setMessageOffset(int offset)
+{
+    this->messageOffset_ = offset;
+}
+
 }  // namespace chatterino