LIVE_PREVIEW_ID_PARAM
constLIVE_PREVIEW_ID_PARAM:"vexLivePreviewId"="vexLivePreviewId"
Defined in: packages/core/src/livePreview/constants.ts:13
Query param carrying an unsaved document’s client-generated temp id, appended
by resolveLivePreviewUrl only when the document has no saved _id yet.