refactor: replace RotateCcw icon with SkipBack for restart functionality in PlayerPanel

frontend/src/components/PlayerPanel.vue

@@ -7,7 +7,7 @@ import {
   Play,
   Repeat,
   Repeat1,
-  RotateCcw,
+  SkipBack,
   SkipForward,
   Square,
   Volume,
@@ -281,7 +281,7 @@ async function cycleLoop() {
         title="Od początku"
         @click="restartCurrent"
       >
-        <RotateCcw />
+        <SkipBack />
       </button>
       <button
         class="btn-icon btn-primary"