fix: 修复工作流节点交互与旧浏览器兼容

- 修复 Tinyflow Vue wrapper 可选 boolean 默认关闭节点拖拽和连线的问题

- 为 Tinyflow 增加 structuredClone 兼容与 Chrome 90 构建目标

- 增加节点交互归一化与 Tab 空值防御

easyflow-ui-admin/packages/tinyflow-ui/src/components/base/collapse.svelte

@@ -34,7 +34,7 @@
 <div style={rest.style} class="tf-collapse {rest.class}">
     {#each items as item, index}
         <div class="tf-collapse-item">
-            <div class="tf-collapse-item-title" role="button" tabindex={index}
+            <div class="tf-collapse-item-title tf-node-drag-handle" role="button" tabindex={index}
                  onclick={() => handlerOnChange(item)}
                  onkeydown={(event) => {
                     if (event.key === 'Enter' || event.key === ' ') {
@@ -112,6 +112,14 @@
         background: var(--tf-bg-hover);
     }
 
+    .tf-node-drag-handle {
+        cursor: grab;
+    }
+
+    :global(.svelte-flow__node.dragging) .tf-node-drag-handle {
+        cursor: grabbing;
+    }
+
     .tf-collapse-item-title-help::after {
         content: attr(data-help);
         position: absolute;