Fix crash when entering guidance mode
Fix crash when entering guidance mode

Do not create a QCheckBox on the stack.

BUG:336771
REVIEW:119069

tucnak/marble,David-Gil/marble-dev,tzapzoor/marble,tucnak/marble,probonopd/marble,quannt24/marble,probonopd/marble,David-Gil/marble-dev,tucnak/marble,David-Gil/marble-dev,tzapzoor/marble,David-Gil/marble-dev,quannt24/marble,probonopd/marble,tzapzoor/marble,quannt24/marble,David-Gil/marble-dev,tucnak/marble,tzapzoor/marble,tucnak/marble,quannt24/marble,probonopd/marble,probonopd/marble,tzapzoor/marble,David-Gil/marble-dev,tucnak/marble,tzapzoor/marble,tucnak/marble,probonopd/marble,tzapzoor/marble,quannt24/marble,quannt24/marble,probonopd/marble,quannt24/marble,tzapzoor/marble