_validate_property
This ensures videos are always visible as soon as a video file is specified in the VideoStreamPlayer node. The node will no longer be resized to 0×0 by default, making the video invisible in the process (even if the audio can still be heard).
Happy new year to the wonderful Godot community!
VideoPlayer
VideoStreamPlayer
It's a player for `VideoStream` resources, just like `AudioStreamPlayer` is a player for `AudioStream` resources. Closes https://github.com/godotengine/godot-proposals/issues/3624.