Intermittent validation of certain folders in full CI physics efficiency job

The folders that are tested in physics-efficiency-full are not always consistent. In particular it has been observed that run_physics_efficiency_output_hlt1_complex_validation is not always tested, for instance in the following job:

• https://gitlab.cern.ch/lhcb/Allen/-/jobs/17083936

whereas it is tested in other jobs:

• https://gitlab.cern.ch/lhcb/Allen/-/jobs/16446461

See also #283 (closed)