fix: remove inline onerror from skin/cape images in template

Inline onerror was firing on empty src, hiding images before JS could load them

internal/templates/html/profile.html

@@ -21,7 +21,7 @@
         <div class="card">
             <h3>Скин</h3>
             <div id="currentSkin" class="text-center" style="margin-bottom:1rem">
-                <img id="skinImg" src="" alt="Скин" style="width:120px;height:160px;image-rendering:pixelated;background:var(--surface-light);border-radius:var(--radius-sm)" onerror="this.style.display='none'">
+                <img id="skinImg" src="" alt="Скин" style="width:120px;height:160px;image-rendering:pixelated;background:var(--surface-light);border-radius:var(--radius-sm)">
                 <p class="muted text-sm mt-1" id="noSkinMsg">Скин не загружен</p>
             </div>
             <div id="alertSkin" class="alert"></div>
@@ -37,7 +37,7 @@
         <div class="card">
             <h3>Плащ</h3>
             <div id="currentCape" class="text-center" style="margin-bottom:1rem">
-                <img id="capeImg" src="" alt="Плащ" style="width:100px;height:160px;image-rendering:pixelated;background:var(--surface-light);border-radius:var(--radius-sm)" onerror="this.style.display='none'">
+                <img id="capeImg" src="" alt="Плащ" style="width:100px;height:160px;image-rendering:pixelated;background:var(--surface-light);border-radius:var(--radius-sm)">
                 <p class="muted text-sm mt-1" id="noCapeMsg">Плащ не загружен</p>
             </div>
             <div id="alertCape" class="alert"></div>