Обработать browser storage ошибки и показывать восстановленную форму (#9)

components/form.php

@@ -194,12 +194,6 @@ $basePickerAccept = 'image/jpeg,image/png,image/gif,image/webp,image/bmp,image/a
 			uploadFile(file);
 		}
 
-		function createClientKey() {
-			return crypto.randomUUID
-				? crypto.randomUUID()
-				: Array.from(crypto.getRandomValues(new Uint8Array(16)), (b) => b.toString(16).padStart(2, '0')).join('');
-		}
-
 		function redirectToTour(record) {
 			let targetUrl = record.meta.redirectBase + encodeURIComponent(record.key);
 			if (record.meta.redirectUtm) targetUrl += '&' + record.meta.redirectUtm;
@@ -313,7 +307,10 @@ $basePickerAccept = 'image/jpeg,image/png,image/gif,image/webp,image/bmp,image/a
 			resetUploadPending();
 			window.PublicNavigationGuard.allowNavigation();
 			form.show();
-			if (typeof preview !== 'undefined' && preview) preview.showError(msg);
+			if (typeof preview !== 'undefined' && preview) {
+				preview.show(); preview.showError(msg);
+				preview.el.scrollIntoView({block: 'nearest'});
+			}
 			fileInput.value = '';
 		}
 		window.addEventListener('pagehide', () => { leavingUploadPage = true; });