upnp: controller functionality depends upon server being enabled (fixes #15050)
upnp: unregister any discovered UPnP renderers when disabling the upnp controller
fix toggle fullscreen during video playback
fix incorrect logging when using static ffmpeg
Merge pull request #4478 from Montellese/upnp_controller

Two UPnP controller related fixes
Merge pull request #4530 from FernetMenta/resolution

fix toggle fullscreen during video playback
Merge pull request #4548 from wsnipex/logging-fix

fix incorrect logging when using static ffmpeg