[session] enhance session's transaction storage handling to fix cases where commit/rollback is done while in the context of hooks_control/security_enabled managers. Closes #1412648: commit or rollback during postcreate reset hooks control state

option_group_changed('port', 'main', 'web')
option_group_changed('query-log-file', 'main', 'web')
option_group_changed('profile', 'main', 'web')
option_group_changed('max-post-length', 'main', 'web')