增加步进器插件 --- fix1

@EDITOR/步进器/EDITOR.vue.ftl

 <#if item.render??>
-{item.remder.code}
+{item.render.code}
 <#else>
 <app-stepper name='${editor.name}' :value="this.data.${editor.name}" @change="onFormItemValueChange" :disabled="detailsModel.${editor.name}.disabled" style="${editor.getEditorCssStyle()}"></app-stepper>
 </#if>
\ No newline at end of file

@EDITOR/步进器/PANELEDITOR.vue.ftl

 <#if item.render??>
-{item.remder.code}
+{item.render.code}
 <#else>
 <app-stepper 
   name='${editor.name}'