Changed network connection check logic

Network connection no longer requires internet connection. Socket connection status is used instead for checking if server is reachable. If there is no socket connection available eq. before connecting to server then connection type is used to for netrork connection check.

pages/bookshelf/add-podcast.vue

@@ -3,11 +3,11 @@
     <template v-if="!showSelectedFeed">
       <div class="w-full mx-auto h-20 flex items-center px-2">
         <form class="w-full" @submit.prevent="submit">
-          <ui-text-input v-model="searchInput" :disabled="processing || !networkConnected" placeholder="Enter search term or RSS feed URL" text-size="sm" />
+          <ui-text-input v-model="searchInput" :disabled="processing || !socketConnected" placeholder="Enter search term or RSS feed URL" text-size="sm" />
         </form>
       </div>
 
-      <div v-if="!networkConnected" class="w-full text-center py-6">
+      <div v-if="!socketConnected" class="w-full text-center py-6">
         <p class="text-lg text-error">{{ $strings.MessageNoNetworkConnection }}</p>
       </div>
       <div v-else class="w-full mx-auto pb-2 overflow-y-auto overflow-x-hidden h-[calc(100%-85px)]">
@@ -65,8 +65,8 @@ export default {
     }
   },
   computed: {
-    networkConnected() {
-      return this.$store.state.networkConnected
+    socketConnected() {
+      return this.$store.state.socketConnected
     }
   },
   methods: {