Use rendering helper for interaction tests as well

Summary: Workaround for interaction tests needing OpenGL features. Initialize rendering helper to throw exception if features are not available.

Test Plan: fixes in tests

Reviewers: O1 MITK Core, kislinsk

Reviewed By: O1 MITK Core, kislinsk

Maniphest Tasks: T23308

Differential Revision: https://phabricator.mitk.org/D86