fix(chat window): prevent right click from opening chat window

Prevent a right click mouse release event from triggering a chat window
switch/launch.

Closes #3205

src/widget/genericchatroomwidget.cpp

@@ -181,10 +181,17 @@ void GenericChatroomWidget::reloadTheme()
     setPalette(p);
 }
 
-void GenericChatroomWidget::mouseReleaseEvent(QMouseEvent*)
+void GenericChatroomWidget::mouseReleaseEvent(QMouseEvent* event)
+{
+    if(event->button() == Qt::LeftButton)
     {
         emit chatroomWidgetClicked(this);
     }
+    else
+    {
+        event->ignore();
+    }
+}
 
 void GenericChatroomWidget::enterEvent(QEvent*)
 {