Pass context object to properly disconnect when this is deleted

src/timeline/InputBar.cpp

@@ -921,6 +921,7 @@ MediaUpload::MediaUpload(std::unique_ptr<QIODevice> source_,
                 });
         connect(mediaPlayer,
                 qOverload<const QString &, const QVariant &>(&QMediaPlayer::metaDataChanged),
+                this,
                 [this, mediaPlayer](QString t, QVariant) {
                     nhlog::ui()->debug("Got metadata {}", t.toStdString());
 
@@ -937,7 +938,8 @@ MediaUpload::MediaUpload(std::unique_ptr<QIODevice> source_,
                         }
                     }
                 });
-        connect(mediaPlayer, &QMediaPlayer::durationChanged, [this, mediaPlayer](qint64 duration) {
+        connect(
+          mediaPlayer, &QMediaPlayer::durationChanged, this, [this, mediaPlayer](qint64 duration) {
               if (duration > 0) {
                   this->duration_ = mediaPlayer->duration();
                   if (mimeClass_ == u"audio")