Pass the correct renderer to EGLImageFactory

We should be using the EGL renderer's colorspace and color range
rather than the backend renderer's for fallbacks. The former is
what actually gets passed to the host PC during stream init.

app/streaming/video/ffmpeg-renderers/vaapi.h

@@ -72,7 +72,7 @@ public:
 #ifdef HAVE_EGL
     virtual bool canExportEGL() override;
     virtual AVPixelFormat getEGLImagePixelFormat() override;
-    virtual bool initializeEGL(EGLDisplay dpy, const EGLExtensions &ext) override;
+    virtual bool initializeEGL(IFFmpegRenderer* eglRenderer, EGLDisplay dpy, const EGLExtensions &ext) override;
     virtual ssize_t exportEGLImages(AVFrame *frame, EGLDisplay dpy, EGLImage images[EGL_MAX_PLANES]) override;
 #endif