Fix duplicate version nums + etc (#831)

* Fix duplicate version nums + etc

* Update link info

* Remove useless loading conditions

* Update pages/legal/privacy.vue

Co-authored-by: triphora <emmaffle@modrinth.com>

* Update plugins/xss.js

Co-authored-by: triphora <emmaffle@modrinth.com>

Co-authored-by: triphora <emmaffle@modrinth.com>

layouts/error.vue

@@ -11,6 +11,7 @@
         <a
           href="https://discord.gg/EUHuJHt"
           class="iconified-button raised-button"
+          rel="noopener noreferrer nofollow"
         >
           Get help on Discord
         </a>