[web] Fix an issue preventing removal of RSS podcasts #1616

RSS podcasts can now be removed. Moreover, the remove option is not shown anymore to non-RSS podcasts.

web-src/src/components/ListAlbums.vue

@@ -146,16 +146,7 @@ export default {
         .library_album_tracks(this.selected_album.id, { limit: 1 })
         .then(({ data }) => {
           webapi.library_track_playlists(data.items[0].id).then(({ data }) => {
-            const rssPlaylists = data.items.filter((pl) => pl.type === 'rss')
-            if (rssPlaylists.length !== 1) {
-              this.$store.dispatch('add_notification', {
-                text: this.$t('list.albums.notification'),
-                type: 'danger'
-              })
-              return
-            }
-
-            this.rss_playlist_to_remove = rssPlaylists[0]
+            this.rss_playlist_to_remove = data.items.filter((pl) => pl.type === 'rss')[0]
             this.show_remove_podcast_modal = true
             this.show_details_modal = false
           })

web-src/src/components/ModalDialog.vue

@@ -14,7 +14,7 @@
                 <span class="icon"><mdicon name="cancel" size="16" /></span>
                 <span
                   class="is-size-7"
-                  v-text="close_action ? close_action : t('dialog.cancel')"
+                  v-text="close_action ? close_action : $t('dialog.cancel')"
                 />
               </a>
               <a

web-src/src/components/ModalDialogAlbum.vue

@@ -26,6 +26,7 @@
                   v-text="$t('dialog.album.mark-as-played')"
                 />
                 <a
+                  v-if="album.data_kind === 'url'"
                   class="button is-small"
                   @click="$emit('remove-podcast')"
                   v-text="$t('dialog.album.remove-podcast')"