Mateusz Paprocki

With PR https://github.com/bokeh/bokeh/pull/13344 we want to eliminate data annotations and have only class of models which are data driven (i.e. glyphs). Annotations will remain, but only as "scalar" entities (like...

> My gut feeling is this is also related to https://github.com/bokeh/bokeh/issues/13831. Definitely not, because that was local to `TapTool` and edit tools set selection modes (usually `"replace"` mode) explicitly. >...

@droumis, @hoxbro, this PR is functionally ready, including data spacing scale bar sizing. There is still some technical fiddling needed to get this PR fully ready.

> what technical fiddling is needed for this? Currently I'm primarily waiting for API feedback.

This is tentatively ready, but I'm still working on tests. I removed `Val` model and switched to more traditional API (see the updated example).

> I don't think this relates to changes made in this PR, but when you really zoom in on the subplots and then out again, some of the lines disappear....

> As far as I know most map implementations work in a way that tracks if the map itself is "in focus" (...) This is the main change that needs...

@bryevdv, was this an unintentional close?

I believe the aforementioned example does exactly what it advertises. I would not expect `size`'s value to be magically transferred to models that were unknown to `figure.scatter()`. Well, at least...

Porting of progress bar module is currently work in progress.