fix(table): 表格粘贴报错

packages/engine/src/toolbar/index.css

@@ -11,7 +11,7 @@
 	text-indent: 0;
 	-webkit-user-select: none;
 	user-select: none;
-    z-index: 1;
+    z-index: 128;
 }
 
 .data-toolbar-active {

plugins/table/src/index.ts

@@ -388,8 +388,8 @@ class Table<T extends TableOptions = TableOptions> extends Plugin<T> {
 					const td = $(tdChild);
 					if (td.name !== 'td') {
 						const newTd = $(`<td></td>`);
-						newTd.append(td);
 						td.before(newTd);
+						newTd.append(td);
 					}
 				});
 			});