fix: create deep copy of file passed into tree

Ben Schlegel

2023-09-16 fea352849c6972da4b3b8935eb2e86f6cefc76ed

 quartz/plugins/filters/index.ts

@@ -1,2 +1,2 @@
export { RemoveDrafts } from './draft'
export { ExplicitPublish } from './explicit'
export { RemoveDrafts } from "./draft"
export { ExplicitPublish } from "./explicit"