Fixes widget rendering in non-graphql scope

In this release di.xml was moved in to the graphql scope - to preserve comparability with default Magento themes (non PWA).

Patch: resolved code-quality issues

In this release minor code-quality issues were resolved.

Patch: Added page layout options for ScandiPWA

In this patch the page layout options were implemented.

Patch: Allowed adding widgets into CMS blocks

In this patch the ability of adding widgets has been implemented.

Release: CMS widgets support

In this release the support for widgets has been implemented.

Release: CMS block no longer return error if disabled

In this release CMS blocks made so, they do not return an error if one of them is disabled.