BUG: "index.d.ts is not a module" in 0.18.4 when grapesjs is imported with "import * as grapesjs from 'grapesjs';"

GrapesJS version

• I confirm to use the latest version of GrapesJS

What browser are you using?

Chrome 99

Reproducible demo link

No link

Describe the bug

How to reproduce the bug?

1. I was using grapesjs 0.18.2 in my typescript angular class imported like this - import * as grapesjs from 'grapesjs';
2. Upgraded to 0.18.4

What is the expected behavior? No errors

What is the current behavior? Typescript complains at the line import * as grapesjs from 'grapesjs'; with the following error:

node_modules/grapesjs/index.d.ts' is not a module.ts(2306)

The 'grapesjs' part of the import has red squiggles. I suppose this is because index.d.ts was introduced in 0.18.4 (https://github.com/artf/grapesjs/releases/tag/v0.18.4)

Version 0.18.3 does not have this problem.

If is necessary to execute some code in order to reproduce the bug, paste it here below:

import * as grapesjs from 'grapesjs';

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