fix: prompts disappearing on copy / move / upload (#3537)

---------

Co-authored-by: Ryan Miller <ryan.miller@infinitetactics.com>
Co-authored-by: Oleg Lobanov <oleg@lobanov.me>

frontend/src/components/Sidebar.vue

@@ -101,7 +101,7 @@
           href="https://github.com/filebrowser/filebrowser"
           >File Browser</a
         >
-        <span> {{ ' ' }} {{ version }}</span>
+        <span> {{ " " }} {{ version }}</span>
       </span>
       <span>
         <a @click="help">{{ $t("sidebar.help") }}</a>