Improve Icon alignment when no label for Button (#10509)
Improve Icon alignment when no label for Button (#10509)

* fixed

* fix mattpap comments

* style

Co-authored-by: Marc Skov Madsen <adca8a083e81135820ef91a699ae92ecb06e7976@orsted.dk>
Co-authored-by: Bryan Van de Ven <0a3ba1af216659500dd8f41e29f3979f42452870@bokeh.org>
bokeh/bokeh,bokeh/bokeh,bokeh/bokeh,bokeh/bokeh,bokeh/bokeh