feat: move utils to utils package and make @excalidraw/utils a workspace (#7432)

* feat: move utils to utils package and make @excalidraw/utils a workspace

* remove esm and update types path

* remove esm script

* fix package.json and yarn.lock

* update path

* fix

* fix lint and test

packages/utils/index.js

@@ -1,5 +1 @@
-export {
-  exportToBlob,
-  exportToSvg,
-  exportToCanvas,
-} from "../excalidraw/packages/utils.ts";
+export * from "./export";