Fixed Attempting to add duplicate content type gives SQL error instead of printable error

[DragonByte Tech]

Affected version

2.0.4

XF\Db\DuplicateKeyException: MySQL query error [1062]: Duplicate entry 'dbtech_ecommerce_product-admin_search_class' for key 'PRIMARY' src/XF/Db/AbstractStatement.php:212
Generated by: Belazor Apr 4, 2018 at 2:03 PM
Stack trace
INSERT INTO `xf_content_type_field` (`addon_id`, `content_type`, `field_name`, `field_value`) VALUES (?, ?, ?, ?)
------------

#0 src/XF/Db/Mysqli/Statement.php(196): XF\Db\AbstractStatement->getException('MySQL query err...', 1062, '23000')
#1 src/XF/Db/Mysqli/Statement.php(77): XF\Db\Mysqli\Statement->getException('MySQL query err...', 1062, '23000')
#2 src/XF/Db/AbstractAdapter.php(79): XF\Db\Mysqli\Statement->execute()
#3 src/XF/Db/AbstractAdapter.php(160): XF\Db\AbstractAdapter->query('INSERT INTO `x...', Array)
#4 src/XF/Mvc/Entity/Entity.php(1389): XF\Db\AbstractAdapter->insert('xf_content_type...', Array, false)
#5 src/XF/Mvc/Entity/Entity.php(1121): XF\Mvc\Entity\Entity->_saveToSource()
#6 src/XF/Mvc/FormAction.php(69): XF\Mvc\Entity\Entity->save(true, false)
#7 src/XF/Mvc/FormAction.php(159): XF\Mvc\FormAction->XF\Mvc\{closure}(Object(XF\Mvc\FormAction))
#8 src/XF/Admin/Controller/ContentType.php(77): XF\Mvc\FormAction->run()
#9 src/XF/Mvc/Dispatcher.php(249): XF\Admin\Controller\ContentType->actionSave(Object(XF\Mvc\ParameterBag))
#10 src/XF/Mvc/Dispatcher.php(88): XF\Mvc\Dispatcher->dispatchClass('XF:ContentType', 'Save', 'json', Object(XF\Mvc\ParameterBag), 'contentTypes', Object(XF\Admin\Controller\ContentType), NULL)
#11 src/XF/Mvc/Dispatcher.php(41): XF\Mvc\Dispatcher->dispatchLoop(Object(XF\Mvc\RouteMatch))
#12 src/XF/App.php(1891): XF\Mvc\Dispatcher->run()
#13 src/XF.php(328): XF\App->run()
#14 admin.php(13): XF::runApp('XF\\Admin\\App')
#15 {main}