Backgrounds / BuyModal / misc (#9009)

* remove buyModal from all views / move to app.vue - show party member selection if card was bought

* add .btn style to 'show more' / 'show less'

* prevent adding duplicate pinned items - reset pinned gear on rebirth

* remove hourglass in items

* fix unequip gear from drawer

* fix bought item notification

* fix background in avatar - avatar position in buyModal

website/client/components/avatar.vue

@@ -166,6 +166,10 @@ export default {
 
       let allowToShowBackground = !this.avatarOnly || this.withBackground;
 
+      if (this.overrideAvatarGear && this.overrideAvatarGear.background) {
+        return `background_${this.overrideAvatarGear.background}`;
+      }
+
       if (background && allowToShowBackground) {
         return `background_${this.member.preferences.background}`;
       }