[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/components/Canvas.tsx

@@ -135,7 +135,7 @@ export const Canvas = track(function Canvas({
 					<HintedShapeIndicator />
 					<SnapLinesWrapper />
 					<HandlesWrapper />
-					{process.env.NEXT_PUBLIC_TLDRAW_NEW_COLLABORATORS ? (
+					{debugFlags.newLiveCollaborators.value ? (
 						<LiveCollaboratorsNext />
 					) : (
 						<LiveCollaborators />