Fixes #5137 - Reporting: No button and output when no tickets found i…

…n a time range.

Co-authored-by: Florian Liebe <fl@zammad.com>

app/assets/javascripts/app/controllers/report.coffee

@@ -295,20 +295,19 @@ class Download extends App.Controller
     @tableUpdate()
 
   tableRender: (tickets, count) =>
-    if _.isEmpty(tickets)
-      @$('.js-dataDownloadButton').html('')
-      @$('.js-dataDownloadTable').html('')
-      return
-
     profile_id = 0
     for key, value of @params.profileSelected
       if value
         profile_id = key
     downloadUrl = "#{@apiPath}/reports/sets?sheet=true;metric=#{@params.metric};year=#{@params.year};month=#{@params.month};week=#{@params.week};day=#{@params.day};timeRange=#{@params.timeRange};profile_id=#{profile_id};downloadBackendSelected=#{@params.downloadBackendSelected}"
-    @$('.js-dataDownloadButton').html(App.view('report/download_button')(
-      count: count
-      downloadUrl: downloadUrl
-    ))
+
+    if count > 0
+      @$('.js-dataDownloadButton').html(App.view('report/download_button')(
+        count: count
+        downloadUrl: downloadUrl
+      ))
+    else
+      @$('.js-dataDownloadButton').html('')
 
     openTicket = (id,e) =>
       ticket = App.Ticket.findNative(id)