An AST Visitor checks the correct structure for the connection editor
Statements are parsed as the result
Javascript statements could be resurrected
Some tests are added
Task-number: QDS-10257
Task-number: QDS-10288
Change-Id: Ia6e4f9c0f48678b6610941c977b7d7bed296ced0
Reviewed-by: Qt CI Patch Build Bot <ci_patchbuild_bot@qt.io>
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>
