fix(web): prevent accessing null event.currentTarget in async handlers

apps/web/src/features/admin/components/language-manager.tsx

@@ -329,7 +329,8 @@ export function LanguageManager() {
                 className="hidden"
                 disabled={imageUploading}
                 onChange={async (event) => {
-                  const file = event.target.files?.[0];
+                  const input = event.target;
+                  const file = input.files?.[0];
                   if (!file) return;
                   setImageUploading(true);
                   setImageError('');
@@ -340,7 +341,7 @@ export function LanguageManager() {
                     setImageError(uploadErrorMessage(error, fa ? 'آپلود تصویر انجام نشد.' : 'The image upload failed.'));
                   } finally {
                     setImageUploading(false);
-                    event.currentTarget.value = '';
+                    input.value = '';
                   }
                 }}
               />

apps/web/src/features/admin/components/website-builder.tsx

@@ -368,15 +368,16 @@ function MediaField({ label, value, fa, onChange }: { label: string; value: stri
     api<{ url: string }>(`/files/public/${id}`).then((result) => setPreview(result.url)).catch(() => setPreview(''));
   }, [value]);
   return <div className="rounded-2xl border hairline p-4"><div className="mb-3 flex items-center justify-between gap-3"><strong className="text-sm">{label}</strong><ImagePlus size={18} className="text-purple" /></div>{preview ? <img src={preview} alt="" className="h-32 w-full rounded-xl object-cover" /> : <div className="grid h-32 place-items-center rounded-xl bg-canvas text-muted"><ImagePlus /></div>}<input className="input mt-3" value={value} dir="ltr" onChange={(event) => onChange(event.target.value)} placeholder="/images/..." /><label className="secondary-button mt-3 cursor-pointer"><Upload size={16} />{busy ? (fa ? 'در حال آپلود...' : 'Uploading...') : fa ? 'آپلود تصویر' : 'Upload image'}<input className="hidden" type="file" accept="image/jpeg,image/png,image/webp" disabled={busy} onChange={async (event) => {
-    const file = event.target.files?.[0];
+    const input = event.target;
+    const file = input.files?.[0];
     if (!file) return;
     setBusy(true);
     try {
       const id = await uploadPanelFile(file, 'website-media', fa);
       onChange(`media:${id}`);
     } finally {
       setBusy(false);
-      event.currentTarget.value = '';
+      input.value = '';
     }
   }} /></label></div>;
 }