[HOTFIX] Move AZURE_SCOPE to config to allow chaning it for IMAP or GRAPH modes
AZURE_SCOPE is different is IMAP or GRAPH modes. Move it to config, with Graph mode by default.
# for IMAP_AUTHENTICATION_MODE=xoauth2
# AZURE_SCOPE = [
# "https://outlook.office.com/IMAP.AccessAsUser.All",
# ]
# for IMAP_AUTHENTICATION_MODE=xoauth2graph
AZURE_SCOPE = [
"https://graph.microsoft.com/.default",
]