fix(k8s): 可视化编辑器 YAML 解析失败（managedFields 清理）

- 先解析原始 YAML 再对象级剥离，避免 cleanYAML 破坏结构
- managedFields 从 METADATA_LINE_KEYS 移除，改整块删除含数组项
- YamlViewer 同步使用 parseEditableManifest

backend/static/assets/region-CLFTOXOT.js

@@ -0,0 +1 @@
+import{h as t}from"./index-BBDEBVET.js";const s={list:async()=>t.get("/regions"),create:async e=>t.post("/regions",e),update:async(e,r)=>t.put(`/regions/${e}`,r),delete:async e=>t.delete(`/regions/${e}`),batchDelete:async e=>t.delete("/regions/batch-delete",{ids:e})};export{s as r};