amis-saas-5744 [Feature] editor 表单项设置 preventEnterSubmit: true 可以禁止回车提交，的配置添加

Change-Id: If332bde32e3299669c51eec7e6f8c8ccde0e3545

packages/amis-editor/src/plugin/Form/Form.tsx

@@ -418,6 +418,18 @@ export class FormPlugin extends BasePlugin {
 
             getSchemaTpl('submitOnChange'),
 
+            getSchemaTpl('switch', {
+              label: '禁用回车提交表单',
+              name: 'preventEnterSubmit',
+              labelRemark: {
+                className: 'm-l-xs',
+                trigger: 'click',
+                rootClose: true,
+                content: '设置后无法通过键盘"回车"按进行表单提交',
+                placement: 'left'
+              }
+            }),
+
             getSchemaTpl('switch', {
               label: '提交完后重置表单',
               name: 'resetAfterSubmit',

packages/amis-editor/src/tpl/validations.tsx

@@ -503,6 +503,12 @@ setSchemaTpl('submitOnChange', {
   type: 'switch',
   label: '修改即提交',
   name: 'submitOnChange',
+  mode: 'horizontal',
+  horizontal: {
+    justify: true,
+    left: 8
+  },
+  inputClassName: 'is-inline ',
   labelRemark: {
     trigger: 'click',
     className: 'm-l-xs',