Check if projection is present for the geodata

[zozlak]

Georeferenced data should always contain a projection.
The only exception can be a geoJSON (which by standard should be in EPSG:4326) but in that case we should check if coordinates fall into the sane range {<-180 - 180>; <-90 -90>}

https://redmine.acdh.oeaw.ac.at/issues/21703