require unpaved surface, don't require lit = no, see #5726 (comment)

Author: westnordost

app/src/main/java/de/westnordost/streetcomplete/overlays/mtb_scale/MtbScaleOverlay.kt

@@ -4,7 +4,6 @@ import de.westnordost.streetcomplete.R
 import de.westnordost.streetcomplete.data.osm.mapdata.Element
 import de.westnordost.streetcomplete.data.osm.mapdata.MapDataWithGeometry
 import de.westnordost.streetcomplete.data.osm.mapdata.filter
-import de.westnordost.streetcomplete.data.user.achievements.EditTypeAchievement
 import de.westnordost.streetcomplete.data.user.achievements.EditTypeAchievement.*
 import de.westnordost.streetcomplete.osm.mtb_scale.MtbScale
 import de.westnordost.streetcomplete.osm.mtb_scale.parseMtbScale
@@ -33,8 +32,10 @@ class MtbScaleOverlay : Overlay {
                 or foot ~ yes|permissive|designated
                 or bicycle ~ yes|permissive|designated
               )
-              and (!lit or lit = no)
-              and (!surface or surface ~ ${UNPAVED_SURFACES.joinToString("|")})
+              and (
+                surface ~ ${UNPAVED_SURFACES.joinToString("|")}
+                or (highway = track and tracktype and tracktype != grade1)
+              )
         """).map { it to getStyle(it) }
 
     override fun createForm(element: Element?) = MtbScaleOverlayForm()