fix(bgs): revert wording change and tokenize

website/client/src/components/creatorIntro.vue

@@ -159,7 +159,7 @@
           <toggle-switch
             v-model="filterBackgrounds"
             class="backgroundFilterToggle"
-            :label="'Show Unlocked Backgrounds'"
+            :label="$t('hideLockedBackgrounds')"
           />
         </div>
         <div

website/common/locales/en/backgrounds.json

@@ -3,6 +3,7 @@
   "background": "Background",
   "backgroundShop": "Background Shop",
   "noBackground": "No Background Selected",
+  "hideLockedBackgrounds": "Hide locked backgrounds",
 
   "backgrounds062014": "SET 1: Released June 2014",
   "backgroundBeachText": "Beach",