Fix: API sco_excel + suffix xslx

app/scodoc/gen_tables.py

app/scodoc/pe_jurype.py

app/scodoc/pe_view.py

app/scodoc/sco_apogee_csv.py

app/scodoc/sco_archives.py

app/scodoc/sco_archives_etud.py

app/scodoc/sco_excel.py

app/scodoc/sco_groups_view.py

app/scodoc/sco_import_users.py

app/scodoc/sco_placement.py

app/scodoc/sco_prepajury.py

app/scodoc/sco_recapcomplet.py

app/scodoc/sco_synchro_etuds.py

app/scodoc/sco_trombino.py

app/scodoc/sco_utils.py

app/views/scolar.py