[web] Fix for items not displaying because of their name

Albums, artists, composers, genres, and any other items listed on page where they appear sorted by names are now all displayed properly.

web-src/src/components/IndexButtonList.vue

@@ -2,7 +2,7 @@
   <section>
     <nav class="buttons is-centered fd-is-square" style="margin-bottom: 16px">
       <a
-        v-for="char in filtered_index"
+        v-for="char in index"
         :key="char"
         class="button is-small"
         @click="nav(char)"
@@ -16,22 +16,9 @@
 export default {
   name: 'IndexButtonList',
   props: ['index'],
-  computed: {
-    filtered_index() {
-      if (!this.index) {
-        return []
-      }
-      const specialChars = '!"#$%&\'()*+,-./:;<=>?@[\\]^`{|}~'
-      return this.index.filter((c) => !specialChars.includes(c))
-    }
-  },
   methods: {
     nav: function (id) {
       this.$router.push({ hash: '#index_' + id })
-    },
-
-    scroll_to_top: function () {
-      window.scrollTo({ top: 0, behavior: 'smooth' })
     }
   }
 }