[fix] publish (#1222)

- fixes an invalid usage of process.env in the editor package
- fixes some bublic paths in the publishing infra code

packages/editor/src/lib/utils/debug-flags.ts

@@ -23,6 +23,7 @@ export const debugFlags = {
 	peopleMenu: createDebugValue('tldrawPeopleMenu', false),
 	logMessages: createDebugValue('tldrawUiLog', []),
 	resetConnectionEveryPing: createDebugValue('tldrawResetConnectionEveryPing', false),
+	newLiveCollaborators: createDebugValue('tldrawNewLiveCollaborators', false),
 }
 
 declare global {