Cache specific Innertube errors for some time #145
Description
Some video ids requested will have errors like This video has been removed by the uploader or This video is no longer available due to a copyright claim. We already know that video ids with those kind of errors will never be available/watchable again, so we could cache those video ids with their responses from Innertube to prevent doing useless additional requests to Innertube.
So if a deleted video is requested from Invidious (or via the /youtubei/v1/player endpoint) and the video response is cached, companion will return the cached response instead of doing a request again to Innertube.
This will help reduce the amount of requests that we do to Innertube, probably lowering the amount of blockages from Youtube ;)