fix: 修复只读模式下表单tab页出现保存按钮的bug

fix: 根据新UI规范略微调整样式

src/views/form/design/index.vue

@@ -389,7 +389,7 @@
 <style lang="less" scoped>
   .toolbar-defined {
     :deep(.ant-btn) {
-      margin-left: 5px;
+      margin-left: 8px;
     }
   }
 

src/views/secondDev/formCreatePage.vue

@@ -8,7 +8,7 @@
                     </slot>
                     关闭
                 </a-button>
-                <a-button v-if="mode != 'read'" type="primary" @click="handleSubmit">
+                <a-button v-if="mode != 'view'" type="primary" @click="handleSubmit">
                     <slot name="icon">
                         <check-circle-outlined />
                     </slot>
@@ -134,8 +134,8 @@ async function saveModal() {
 }
 
 .top-toolbar {
-    min-height: 40px;
-    margin-bottom: 8px;
+    min-height: 44px;
+    margin-bottom: 12px;
     border-bottom: 1px solid #eee;
 }
 </style>