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

@@ -181,9 +181,16 @@ void GenericChatroomWidget::reloadTheme()
     setPalette(p);
 }
 
-void GenericChatroomWidget::mouseReleaseEvent(QMouseEvent*)
+void GenericChatroomWidget::mouseReleaseEvent(QMouseEvent* event)
 {
-    emit chatroomWidgetClicked(this);
+    if(event->button() == Qt::LeftButton)
+    {
+        emit chatroomWidgetClicked(this);
+    }
+    else
+    {
+        event->ignore();
+    }
 }
 
 void GenericChatroomWidget::enterEvent(QEvent*)