fix: prevent default form submission in FunctionDebugDrawer

--bug=1053876 --user=刘瑞斌 【函数库】调试输入框回车后弹出新的浏览器tab页 https://www.tapd.cn/57709429/s/1675686

ui/src/views/function-lib/component/FunctionDebugDrawer.vue

@@ -39,6 +39,7 @@
             require-asterisk-position="right"
             hide-required-asterisk
             v-loading="loading"
+            @submit.prevent
           >
             <template v-for="(item, index) in form.debug_field_list" :key="index">
               <el-form-item