[REFACTORING] #7622 Store controller in resource

modules/convert/Controllers/ProcessConvertController.php

modules/convert/Controllers/ProcessFulltextController.php

modules/convert/Controllers/ProcessThumbnailsController.php

modules/export_seda/AdapterMaarchCourrier.php

modules/export_seda/RequestSeda.php

...sendmail/Controllers/ReceiveMessageExchangeController.php

modules/sendmail/batch/process_emails.php

modules/sendmail/sendmail_ajax_content.php

src/app/docserver/controllers/DocserverController.php

src/app/resource/controllers/ResController.php

src/app/resource/controllers/StoreController.php

src/app/user/controllers/UserController.php

src/core/controllers/PreparedClauseController.php