Add an "Open in browser" option to whisper split (#1828)

src/widgets/splits/SplitHeader.cpp

@@ -316,6 +316,13 @@ std::unique_ptr<QMenu> SplitHeader::createMainMenu()
         menu->addSeparator();
     }
 
+    if (this->split_->getChannel()->getType() == Channel::Type::TwitchWhispers)
+    {
+        menu->addAction(OPEN_IN_BROWSER, this->split_,
+                        &Split::openWhispersInBrowser);
+        menu->addSeparator();
+    }
+
     {
         // "How to..." sub menu
         auto subMenu = new QMenu("How to...", this);