FIX: Show 'Export' button for all tabular reports. (#7838)

app/assets/javascripts/admin/components/admin-report.js.es6

@@ -55,7 +55,6 @@ export default Ember.Component.extend({
   showTitle: true,
   showFilteringUI: false,
   showDatesOptions: Ember.computed.alias("model.dates_filtering"),
-  showExport: Ember.computed.not("model.isTable"),
   showRefresh: Ember.computed.or(
     "showDatesOptions",
     "model.available_filters.length"

app/assets/javascripts/admin/templates/components/admin-report.hbs

@@ -164,7 +164,7 @@
           </div>
         {{/each}}
 
-        {{#if showExport}}
+        {{#if model.isTable}}
           <div class="control">
             <div class="input">
               {{d-button