If you delete building this building from osm, then wait a ~month, you should see the Tatari 1 in the tool 
As an alternative you could use this basemap in iD:
https://kaart.maaamet.ee/wms/alus-geo?LAYERS=CORINE,BAASKAART,KAART24,HALDUSPIIRID,TEED,KYLAD&STYLES=&FORMAT=image/jpeg&CRS=EPSG:3857&WIDTH=256&HEIGHT=256&BBOX={bbox}&VERSION=1.3.0&SERVICE=WMS&REQUEST=GetMap
Tracing from this vector map is much easier than from orthophoto or even Maa-amet põhikaart.