v4.4.3

What's Changed

• test: added test cases for post message hook by @contentstackMridul in #591
• test: added unit test cases fo visual builder specific to mode by @contentstackMridul in #592
• feat(VB-1583): restrict toolbar actions for multiple custom field instances by @hitesh-shetty-cstk in #593
• test: added test cases of useCollab / preview share by @contentstackMridul in #595
• fix: added changes of new tab init related remaining code by @contentstackMridul in #597
• release: v4.4.3 by @hitesh-shetty-cstk in #604

Full Changelog: v4.4.2...v4.4.3