이슈 8675 처리

[kimorkim]

fix #2565

[github-actions]

⚠️ [eslint] <prefer-arrow-callback> _{reported by reviewdog 🐶}
Unexpected function expression.

entryjs/src/playground/block.js

Lines 343 to 349 in 46d8b14

	json._backupParams = this._backupParams.map(function (p) {
	if (p instanceof Entry.Block) {
	return p.toJSON();
	} else {
	return p;
	}
	});