Add missing translations

sas/templates/sas/album.jinja

@@ -69,7 +69,7 @@
                maxPageSize: {{ settings.SITH_SAS_IMAGES_PER_PAGE }},
                })">
 
-    {{ download_button("Download album") }}
+    {{ download_button(_("Download album")) }}
 
     <h4>{% trans %}Pictures{% endtrans %}</h4>
     <div class="photos" :aria-busy="loading">

sas/templates/sas/download_pictures.jinja

@@ -9,7 +9,7 @@
     This requires importing `bundled/sas/pictures-download-index.ts`
 
   Parameters:
-    name (str): name displayed on the button, will be translated
+    name (str): name displayed on the button
  #}
 {% macro download_button(name) %}
   <div x-data="pictures_download">
@@ -21,7 +21,7 @@
       >
         <i class="fa fa-download"></i>
         {%- if name != "" -%}
-          {% trans %}{{ name }}{% endtrans %}
+          {{ name }}
         {%- endif -%}
       </button>
       <progress x-ref="progress" x-show="isDownloading"></progress>

sas/templates/sas/user_pictures.jinja

@@ -17,7 +17,7 @@
 {% block content %}
   <main x-data="user_pictures({ userId: {{ object.id }} })">
     {% if user.id == object.id %}
-      {{ download_button("Download all my pictures") }}
+      {{ download_button(_("Download all my pictures")) }}
     {% endif %}
 
     <template x-for="[album, pictures] in Object.entries(albums)" x-cloak>