Middle click split header to open in browser (#3356)

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

CHANGELOG.md

@@ -2,6 +2,7 @@
 
 ## Unversioned
 
+- Minor: Added middle click split to open in browser (#3356)
 - Minor: Added new search predicate to filter for messages matching a regex (#3282)
 - Minor: Add `{channel.name}`, `{channel.id}`, `{stream.game}`, `{stream.title}`, `{my.id}`, `{my.name}` placeholders for commands (#3155)
 - Minor: Remove TwitchEmotes.com attribution and the open/copy options when right-clicking a Twitch Emote. (#2214, #3136)

src/widgets/splits/SplitHeader.cpp

@@ -821,6 +821,11 @@ void SplitHeader::mousePressEvent(QMouseEvent *event)
             menu->popup(this->mapToGlobal(event->pos() + QPoint(0, 4)));
         }
         break;
+
+        case Qt::MiddleButton: {
+            this->split_->openInBrowser();
+        }
+        break;
     }
 
     this->doubleClicked_ = false;