fix: use neutral or username color for reply messages (#5145)

src/messages/Message.hpp

@@ -57,6 +57,8 @@ enum class MessageFlag : int64_t {
     RestrictedMessage = (1LL << 33),
     /// The message is sent by a user marked as monitor with Twitch's "Low Trust"/"Suspicious User" feature
     MonitoredMessage = (1LL << 34),
+    /// The message is an ACTION message (/me)
+    Action = (1LL << 35),
 };
 using MessageFlags = FlagsEnum<MessageFlag>;
 

src/messages/SharedMessageBuilder.cpp

@@ -77,6 +77,7 @@ void SharedMessageBuilder::parse()
     if (this->action_)
     {
         this->textColor_ = this->usernameColor_;
+        this->message().flags.set(MessageFlag::Action);
     }
 
     this->parseUsername();