Unify snapshot paths

[marvinhagemeister]

From https://discord.com/channels/684898665143206084/991511118524715139/1423328498042278041

the weirdest/hardest one was windows paths being "hardcoded" into the built bundle

fresh/packages/fresh/src/dev/dev_build_cache.ts

Lines 503 to 528 in 1e94e1c

	return `${EDIT_WARNING}
	import { IslandPreparer } from "fresh/internal";
	${islandImports}
	${fsRouteImports}
	export const clientEntry = ${JSON.stringify(options.clientEntry)}
	export const version = ${JSON.stringify(options.buildId)}
	export const islands = new Map();
	const islandPreparer = new IslandPreparer();
	${islandMarkers}
	export const staticFiles = new Map([
	${
	staticFiles.map((def) =>
	` [${JSON.stringify(def.name)}, ${JSON.stringify(def)}]`
	).join(",\n")
	}
	]);
	export const entryAssets = [${entryAssets}];
	export const fsRoutes = [
	${serializedFsRoutes}
	];
	`.replaceAll(/\n[\n]+/g, "\n\n");