fix: using existing canvas option (#2017)

* refactor: document cleanup to DocumentCloner

* fix: using existing canvas option

* fix: lint errors

* fix: preview transform origin

src/css/layout/__mocks__/bounds.ts

@@ -0,0 +1,4 @@
+export const {Bounds} = jest.requireActual('../bounds');
+export const parseBounds = () => {
+    return new Bounds(0, 0, 200, 50);
+};