[web] Fix for Spotify playlist not being played properly

If a Spotify playlist is containing unplayable tracks (e.g., wrong market), the position of the subsequent tracks in the playlist must be changed accordingly.
Moreover, the album property was provided for no reason.

web-src/src/components/SpotifyListItemTrack.vue

@@ -1,6 +1,12 @@
 <template>
   <div class="media">
-    <div class="media-content fd-has-action is-clipped" @click="play">
+    <div
+      class="media-content is-clipped"
+      :class="{
+        'is-clickable': track.is_playable
+      }"
+      @click="play"
+    >
       <h1
         class="title is-6"
         :class="{ 'has-text-grey-light': !track.is_playable }"
@@ -37,10 +43,12 @@ import webapi from '@/webapi'
 
 export default {
   name: 'SpotifyListItemTrack',
-  props: ['track', 'position', 'album', 'context_uri'],
+  props: ['track', 'position', 'context_uri'],
   methods: {
     play() {
-      webapi.player_play_uri(this.context_uri, false, this.position)
+      if (this.track.is_playable) {
+        webapi.player_play_uri(this.context_uri, false, this.position)
+      }
     }
   }
 }