Histogram: Fix 'combine' option & legend rendering #84026
Merged
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we currently reuse PlotLegend in Histogram panel, which expects
field.state.origin
that maps back to original frame, otherwise it renders no series. bizarrely, it causesVizLayout
to not call its render prop, and does not render the viz at all. even more strange is that anull
legend does not cause the viz rendering failure.repro steps are easy:
testdata
data sourcewithout this PR the panel renders nothing due to PlotLegend having no items.