Release candidate #1 (v2.2.0)

What's Changed

• [M2-6290] Fix: Alerts for Matrix items by @moiskillnadne in #452
• [M2-6147] Fix: SelectBaseBox styles by @moiskillnadne in #453
• fix(matrix): Adding alerts data in the answer while submitting (M2-6549) by @moiskillnadne in #454
• bugfix(multiinformant): 🔥[Web app] The blank page is displaying in web app if start a… by @moiskillnadne in #457

Full Changelog: v2.1.10...v2.2.0-rc1