Ref #22855, we should at this in a way so that other implementeros like Pydio still works.
This is especially relevant if one has mounted very slow S2S storages and no memory cache is configured.
@cmonteroluque @karlitschek @PVince81 I added this to 9.0.1 since this has a substantial performance impact on instances in case no memory cache is configured and S2S remote endpoints respond very slow (or are down etc…)
I'll give it a try… 💭
Delay check till scanner is used
Fixes #22973 and #22987