Merge pull request #15357 from acolombier/fix/soundmanager-leak

fix: correctly free reference to m_pSoundManager

Author: Swiftb0y

src/coreservices.cpp

@@ -865,6 +865,7 @@ void CoreServices::finalize() {
     mixxx::qml::QmlPlayerManagerProxy::registerPlayerManager(nullptr);
     mixxx::qml::QmlConfigProxy::registerUserSettings(nullptr);
     mixxx::qml::QmlLibraryProxy::registerLibrary(nullptr);
+    mixxx::qml::QmlSoundManagerProxy::registerManager(nullptr);
 
     ControllerScriptEngineBase::registerTrackCollectionManager(nullptr);
 #endif

src/qml/qmlwaveformrenderer.cpp

@@ -338,7 +338,7 @@ QmlWaveformRendererFactory::Renderer QmlWaveformRendererMark::create(
         const QString endIcon = pMark->endIcon().toLocalFile();
         // FIXME: the following checks should be done on the WaveformMarker
         // setter (depends of #14515)
-        if (!QFileInfo::exists(pixmap)) {
+        if (!pixmap.isEmpty() && !QFileInfo::exists(pixmap)) {
             qmlEngine(this)->throwError(tr("Cannot find the marker pixmap") + " \"" + pixmap + '"');
         }