feat: improve styles and layouts for better consistency and responsiveness

frontend/src/components/VoiceChannelPanel.vue

@@ -1,6 +1,6 @@
 <script setup lang="ts">
 import { computed, ref, watch } from 'vue'
-import { Bell, LogIn, LogOut, Radio } from 'lucide-vue-next'
+import { LogIn, LogOut, Radio } from 'lucide-vue-next'
 import { api } from '@/api/client'
 import { useToasts } from '@/composables/useToasts'
 import type { BotStatus } from '@/types/status'
@@ -115,7 +115,7 @@ async function saveDefaultPlays() {
       </button>
     </div>
     <div class="notification-channel-row">
-      <label for="notification-channel"><Bell /> Kanał logów</label>
+      <label for="notification-channel">Kanał logów</label>
       <select
         id="notification-channel"
         v-model="selectedNotification"