Show small linear objects as POI icon

[Velomeloman]

Describe the idea (required)

Similar to https://github.com/osmandapp/OsmAnd/issues/793 Linear objects like leisure= slipway or amenity=bench doesn't shown on the map by default. It's only accessible from search tool.

Tell us about the expected behaviour (required)

Show relevant POI icons of small linear objects

[yuriiurshuliak]

https://taginfo.openstreetmap.org/tags/leisure=slipway#overview https://taginfo.openstreetmap.org/tags/amenity=bench#overview

[literannn]

barrier=gate?

[Velomeloman]

https://taginfo.openstreetmap.org/tags/barrier=gate#overview

[vshcherb]

@xmd5a2 it's either should be displayed on nodes or as shields depends how we did it with staircase issue