Fix unconfigured consumer causing various crashes.

CCBUG: 409667

src/monitor/glwidget.cpp

@@ -216,6 +216,7 @@ void GLWidget::initializeGL()
     connect(m_frameRenderer, &FrameRenderer::frameDisplayed, this, &GLWidget::frameDisplayed, Qt::QueuedConnection);
     m_initSem.release();
     m_isInitialized = true;
+    QMetaObject::invokeMethod(this, "reconfigure", Qt::QueuedConnection);
 }
 
 void GLWidget::resizeGL(int width, int height)

src/monitor/glwidget.h

@@ -86,7 +86,6 @@ public:
     // TODO: currently unused
     int reconfigureMulti(const QString &params, const QString &path, Mlt::Profile *profile);
     void stopCapture();
-    int reconfigure();
     /** @brief Get the current MLT producer playlist.
      * @return A string describing the playlist */
     const QString sceneList(const QString &root, const QString &fullPath = QString(), QString filterData = QString());
@@ -253,6 +252,7 @@ private slots:
     void updateTexture(GLuint yName, GLuint uName, GLuint vName);
     void paintGL();
     void onFrameDisplayed(const SharedFrame &frame);
+    int reconfigure();
     void refresh();
 
 protected: