Uncaught exception when login in with an user assigned to a different website in a multi-website setup

[acampos1916]

We have a multi-website Magento 2.2.1 and got this error when login in on website 1 with an user from website 2:

{
	"0": "No such entity with email = angelcampos@adamantio.com.ve, websiteId = 1",
	"1": "#0 /var/www/html/magento2/vendor/magento/module-customer/Model/ResourceModel/CustomerRepository.php(288): Magento\\Customer\\Model\\CustomerRegistry->retrieveByEmail('angelcampos@ada...', '1')\n#1 /var/www/html/magento2/app/code/Amitshree/Customer/Plugin/Customer/Controller/Account/LoginPost.php(95): Magento\\Customer\\Model\\ResourceModel\\CustomerRepository->get('angelcampos@ada...')\n#2 /var/www/html/magento2/app/code/Amitshree/Customer/Plugin/Customer/Controller/Account/LoginPost.php(54): Amitshree\\Customer\\Plugin\\Customer\\Controller\\Account\\LoginPost->getCustomer('angelcampos@ada...')\n#3 /var/www/html/magento2/vendor/magento/framework/Interception/Interceptor.php(135): Amitshree\\Customer\\Plugin\\Customer\\Controller\\Account\\LoginPost->aroundExecute(Object(Magento\\Customer\\Controller\\Account\\LoginPost\\Interceptor), Object(Closure))\n#4 /var/www/html/magento2/vendor/magento/framework/Interception/Interceptor.php(153): Magento\\Customer\\Controller\\Account\\LoginPost\\Interceptor->Magento\\Framework\\Interception\\{closure}()\n#5 /var/www/html/magento2/generated/code/Magento/Customer/Controller/Account/LoginPost/Interceptor.php(26): Magento\\Customer\\Controller\\Account\\LoginPost\\Interceptor->___callPlugins('execute', Array, Array)\n#6 /var/www/html/magento2/vendor/magento/framework/App/Action/Action.php(107): Magento\\Customer\\Controller\\Account\\LoginPost\\Interceptor->execute()\n#7 /var/www/html/magento2/vendor/magento/framework/Interception/Interceptor.php(58): Magento\\Framework\\App\\Action\\Action->dispatch(Object(Magento\\Framework\\App\\Request\\Http))\n#8 /var/www/html/magento2/vendor/magento/framework/Interception/Interceptor.php(138): Magento\\Customer\\Controller\\Account\\LoginPost\\Interceptor->___callParent('dispatch', Array)\n#9 /var/www/html/magento2/vendor/magento/framework/Interception/Interceptor.php(153): Magento\\Customer\\Controller\\Account\\LoginPost\\Interceptor->Magento\\Framework\\Interception\\{closure}(Object(Magento\\Framework\\App\\Request\\Http))\n#10 /var/www/html/magento2/generated/code/Magento/Customer/Controller/Account/LoginPost/Interceptor.php(39): Magento\\Customer\\Controller\\Account\\LoginPost\\Interceptor->___callPlugins('dispatch', Array, Array)\n#11 /var/www/html/magento2/vendor/magento/framework/App/FrontController.php(55): Magento\\Customer\\Controller\\Account\\LoginPost\\Interceptor->dispatch(Object(Magento\\Framework\\App\\Request\\Http))\n#12 /var/www/html/magento2/vendor/magento/framework/Interception/Interceptor.php(58): Magento\\Framework\\App\\FrontController->dispatch(Object(Magento\\Framework\\App\\Request\\Http))\n#13 /var/www/html/magento2/vendor/magento/framework/Interception/Interceptor.php(138): Magento\\Framework\\App\\FrontController\\Interceptor->___callParent('dispatch', Array)\n#14 /var/www/html/magento2/vendor/magento/module-store/App/FrontController/Plugin/RequestPreprocessor.php(94): Magento\\Framework\\App\\FrontController\\Interceptor->Magento\\Framework\\Interception\\{closure}(Object(Magento\\Framework\\App\\Request\\Http))\n#15 /var/www/html/magento2/vendor/magento/framework/Interception/Interceptor.php(135): Magento\\Store\\App\\FrontController\\Plugin\\RequestPreprocessor->aroundDispatch(Object(Magento\\Framework\\App\\FrontController\\Interceptor), Object(Closure), Object(Magento\\Framework\\App\\Request\\Http))\n#16 /var/www/html/magento2/vendor/magento/module-page-cache/Model/App/FrontController/BuiltinPlugin.php(69): Magento\\Framework\\App\\FrontController\\Interceptor->Magento\\Framework\\Interception\\{closure}(Object(Magento\\Framework\\App\\Request\\Http))\n#17 /var/www/html/magento2/vendor/magento/framework/Interception/Interceptor.php(135): Magento\\PageCache\\Model\\App\\FrontController\\BuiltinPlugin->aroundDispatch(Object(Magento\\Framework\\App\\FrontController\\Interceptor), Object(Closure), Object(Magento\\Framework\\App\\Request\\Http))\n#18 /var/www/html/magento2/vendor/magento/framework/Interception/Interceptor.php(153): Magento\\Framework\\App\\FrontController\\Interceptor->Magento\\Framework\\Interception\\{closure}(Object(Magento\\Framework\\App\\Request\\Http))\n#19 /var/www/html/magento2/generated/code/Magento/Framework/App/FrontController/Interceptor.php(26): Magento\\Framework\\App\\FrontController\\Interceptor->___callPlugins('dispatch', Array, NULL)\n#20 /var/www/html/magento2/vendor/magento/framework/App/Http.php(135): Magento\\Framework\\App\\FrontController\\Interceptor->dispatch(Object(Magento\\Framework\\App\\Request\\Http))\n#21 /var/www/html/magento2/vendor/magento/framework/App/Bootstrap.php(256): Magento\\Framework\\App\\Http->launch()\n#22 /var/www/html/magento2/pub/index.php(37): Magento\\Framework\\App\\Bootstrap->run(Object(Magento\\Framework\\App\\Http))\n#23 {main}",
	"url": "/spanish/customer/account/loginPost/referer/aHR0cHM6Ly81NC4xNjYuMjA3LjE2MC9zcGFuaXNoLw%2C%2C/",
	"script_name": "/index.php"
}

Moving the following line inside the try block in LoginPost.php seems to fix the issue:

$customer = $this->getCustomer($login['username']);