Implement initial support for RTL languages (#3958)

Co-authored-by: pajlada <rasmus.karlsson@pajlada.com>
fix https://github.com/Chatterino/chatterino2/issues/720

src/messages/MessageElement.cpp

@@ -473,6 +473,7 @@ void SingleLineTextElement::addToContainer(MessageLayoutContainer &container,
         // once we encounter an emote or reach the end of the message text. */
         QString currentText;
 
+        container.first = FirstWord::Neutral;
         for (Word &word : this->words_)
         {
             auto parsedWords = app->emotes->emojis.parse(word.text);