Improve autofilters

[Don-vip]

Autofilters have been implemented in #14929.

The feature can be enhanced:

• allow users to define their auto filters through the filter dialog
• provide better/faster access to change the current autofilter (maybe in the visibility menu of the layer panel)
• allow non-numeric values
• remove the zoom parameter?
• document the whole thing on the wiki
• see #17436

[Klumbumbus]

I startet docu at Help/Dialog/Filter#Autofilters and Help/Preferences/Display#OSMData

[alarobric]

The layer autofilter shows only the specific layer selected and does not work with multiple values.
For instance when 1 is selected, then objects with layer=1 will show, but objects with layer=1;2 or 1-2 will not.

Great new feature though - very helpful.

[Zverikk]

Creating new objects with an autofilter enabled is impossible: they immediately disappear, since they don't have the tag. Maybe the autofilter should include also new untagged objects.

[Klumbumbus]

Ticket #17436 has been marked as a duplicate of this ticket.