function to generate a selectInput with the custom ssz label styling (via "ssz-label" class)
Arguments
- inputId
inputId parameter for selectInput
- label
label parameter for selectInput
- choices
choices parameter for selectInput,
- selectize
optional selectize parameter, default TRUE, but watch out for influence of other widgets (related to this? https://github.com/rstudio/shiny/issues/3125)
- ...
further named parameters to be passed to selectInput, e.g. selected