Consider nicknames when searching for messages (#4663)

Co-authored-by: pajlada <rasmus.karlsson+github@pajlada.com>

src/providers/irc/IrcMessageBuilder.cpp

@@ -64,7 +64,11 @@ MessagePtr IrcMessageBuilder::build()
     // message
     this->addIrcMessageText(this->originalMessage_);
 
-    this->message().searchText = this->message().localizedName + " " +
+    QString stylizedUsername =
+        this->stylizeUsername(this->userName, this->message());
+
+    this->message().searchText = stylizedUsername + " " +
+                                 this->message().localizedName + " " +
                                  this->userName + ": " + this->originalMessage_;
 
     // highlights

src/providers/twitch/TwitchMessageBuilder.cpp

@@ -294,8 +294,12 @@ MessagePtr TwitchMessageBuilder::build()
 
     this->addWords(splits, twitchEmotes);
 
+    QString stylizedUsername =
+        this->stylizeUsername(this->userName, this->message());
+
     this->message().messageText = this->originalMessage_;
-    this->message().searchText = this->message().localizedName + " " +
+    this->message().searchText = stylizedUsername + " " +
+                                 this->message().localizedName + " " +
                                  this->userName + ": " + this->originalMessage_;
 
     // highlights