title: How to display All when everything is selected in pickerinput
body: <p>Below code works fine, the only add-on I want is to  display "All"  when everything is selected and the rest works as it is, that is if 1 option is selected it show show 1/11 fruits and so on. Can anyone help me with this?</p>
  
  <pre><code>ui &lt;- fluidPage(
    column(
      width = 4,
      pickerInput(
        inputId = "id", label = "Choices :",
        choices = c("Banana", "Blueberry", "Cherry", "Coconut", "Grapefruit",
                    "Kiwi", "Lemon", "Lime", "Mango", "Orange", "Papaya"),
        options = list(`actions-box` = TRUE, `selected-text-format` = "count &gt; 0",
                       `count-selected-text` = "{0}/{1} fruits"),
        multiple = TRUE
      )
    )
  )
  
  
  server &lt;- function(input, output) {
    output$res &lt;- renderPrint({
      input$id
    })
  }
  
  shinyApp(ui = ui, server = server) 
  </code></pre>