Everything related to the Tenant Migration project must use the prefix (if needed) tenantMigration instead of migratingTenant, migrateTenants, etc.

List of files to change (and the classes inside of the files, etc)

• Tenant migration namespace (kMigrationDonorsNamespace)
• Migrate_tenant_cmds.cpp
• migrate_tenant_cmd.idl
• migrate_tenant_state_machine.idl
• migrating_tenant_util.h
• Migrating_tenant_donor_util.cpp
• migrating_tenant_donor_util.h
• migrating_tenant_access_blocker.h
• migrating_tenant_access_blocker.cpp
• migrating_tenant_access_blocker_by_prefix.cpp
• migrating_tenant_access_blocker_by_prefix.h
• migrating_tenant_access_blocker_server_status_section.cpp
• migrating_tenant_invalid_inputs