- Added datagrid_mode param
- Added restrictions by datagrid_mode param to isApplicable method
- Renamed constant `ParameterBag::DATAGRID_MODE_PARAMETER` to `ParameterBag::DATAGRID_MODES_PARAMETER`
- Added see annotation
- Added description to constant `Oro\Bundle\DataGridBundle\Extension\Action\ActionExtension::ENABLE_ACTIONS_PARAMETER`