Bug fixing and new features

We bumped up minor version release to v4.2.x to align with backend latest reales v4.2.0

What's Changed

• build(deps): bump engine.io and socket.io by @dependabot in #1054
• fix: change the config and theme endpoint to the new one from the backend by @martin-trajanovski in #1049
• feat: make sharing of dataset limited only for dataset owners and use explicit message if some of the dataset included are not owned by user that wants to share by @martin-trajanovski in #1055
• feat: add auth strategy to the user profile page by @martin-trajanovski in #1057
• feat: make snackbar notifications configurable by @martin-trajanovski in #1058

Full Changelog: v4.1.2...v4.2.0