GGfan support

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Brief description of the problem

Hi, please could I request plotly support for the ggfan package.

I'm trying to build a plotly with ggfan and i get the following error:
Warning in geom2trace.default(dots[[1L]][[1L]], dots[[2L]][[1L]], dots[[3L]][[1L]]) :
geom_GeomIntervalPoly() has yet to be implemented in plotly.
If you'd like to see this geom implemented,
Please open an issue with your example code at
https://github.com/ropensci/plotly/issues

insert reprex here

library(shiny)
library(shinytableau)
library(promises)
library(shinyvalidate)
library(ggplot2)
library(ggfan)
library(plotly)

p<- ggplot(test, aes(x=tick, y=value))+
geom_fan(intervals = c(0.2,0.5, 0.8, 0.95))+
scale_fill_steps(low = "#EF4A81",
high = "#fcdbe6",
guide = "colourbar",
aesthetics = "fill")

ggplotly(p)

test.csv

Comece reproduzindo o exemplo fornecido de ggfan com o test.csv vinculado e inspecione o aviso de geom2trace.default para GeomIntervalPoly. Determine onde plotly.R trata as geoms do ggplot e qual saída a geom ggfan deve produzir. Está concluído quando ggplotly(p) oferecer suporte a geom_fan sem o aviso de geom não implementada.