Take radius of entity's current zone into account when fitting map to entities

[gadgetchnnel]

The request

As of 0.105, the Lovelace map card only fits entities and not zones. In most cases this works well. But, if you have a zone with a relatively large radius and/or the entity isn't near the centre of the zone they are currently in, the map may be zoomed in too far for the zone to show correctly.
For example, I have noticed this with my Work zone which has a radius of 100 metres and covers two buildings. The zoom level doesn't show the building I am in at all.

To resolve this it world be useful if (either by default or as an option) the map zoom level could take into account the radius of the zone each entity is in as well as their current location.

The alternatives

I am currently working around this by setting default_zoom to a level which works well when I am in the Work zone, but this won't work as well in other zones.

Additional information