UX: show '{count}+' when not sure about exact search count

app/assets/javascripts/discourse/controllers/full-page-search.js.es6

@@ -151,6 +151,12 @@ export default Ember.Controller.extend({
     this.set("application.showFooter", !this.get("loading"));
   },
 
+  @computed('resultCount', 'noSortQ')
+  resultCountLabel(count, term) {
+    const plus = (count % 50 === 0 ? "+" : "");
+    return I18n.t('search.result_count', {count, plus, term});
+  },
+
   @observes('model.posts.length')
   resultCountChanged() {
     this.set("resultCount", this.get("model.posts.length"));

app/assets/javascripts/discourse/templates/full-page-search.hbs

@@ -51,7 +51,7 @@
     <div class='search-title clearfix'>
       <div class='result-count'>
         <span>
-          {{{i18n "search.result_count" count=resultCount term=noSortQ}}}
+          {{{resultCountLabel}}}
         </span>
       </div>
       <div class='sort-by'>

config/locales/client.en.yml

@@ -1381,7 +1381,7 @@ en:
       too_short: "Your search term is too short."
       result_count:
         one: "1 result for <span class='term'>{{term}}</span>"
-        other: "{{count}} results for <span class='term'>{{term}}</span>"
+        other: "{{count}}{{plus}} results for <span class='term'>{{term}}</span>"
       title: "search topics, posts, users, or categories"
       no_results: "No results found."
       no_more_results: "No more results found."