Make Chatterino colorize usernames on IRC (#3206)

CHANGELOG.md

@@ -12,6 +12,7 @@
 - Minor: Added the ability to open an entire tab as a popup. (#3082)
 - Minor: Added optional parameter to /usercard command for opening a usercard in a different channel context. (#3172)
 - Minor: Added regex option to Nicknames. (#3146)
+- Minor: Colorizing usernames on IRC, originally made for Mm2PL/dankerino (#3206)
 - Bugfix: Fixed colored usernames sometimes not working. (#3170)
 - Bugfix: Restored ability to send duplicate `/me` messages. (#3166)
 - Bugfix: Notifications for moderators about other moderators deleting messages can now be disabled. (#3121)

src/providers/irc/IrcMessageBuilder.cpp

@@ -11,6 +11,7 @@
 #include "singletons/Settings.hpp"
 #include "singletons/Theme.hpp"
 #include "singletons/WindowManager.hpp"
+#include "util/Helpers.hpp"
 #include "util/IrcHelpers.hpp"
 #include "widgets/Window.hpp"
 
@@ -36,6 +37,7 @@ MessagePtr IrcMessageBuilder::build()
 {
     // PARSE
     this->parse();
+    this->usernameColor_ = getRandomColor(this->ircMessage->nick());
 
     // PUSH ELEMENTS
     this->appendChannelName();