i18n: rename bunch of keys

config/services.yaml

src/Admin/CategoryAdmin.php

src/Admin/ConfigurationAdmin.php

src/Admin/Element/ElementAdminShowEdit.php

src/Admin/ImportAdmin.php

src/Admin/UserAdmin.php

.../Sonata/UserBundle/Security/CustomRoleSecurityHandler.php

src/Controller/Admin/ConfigurationAdminController.php

src/Controller/Admin/UserAdminController.php

src/Controller/MailTestController.php

src/Controller/ProjectController.php

src/Services/MailService.php

templates/admin/core_custom/custom-fields/file.html.twig

templates/admin/core_custom/custom-fields/osm-tags.html.twig

templates/admin/edit/edit_option_category.html.twig

templates/admin/list/base_list_custom_batch.html.twig

templates/bundles/SonataAdminBundle/layout.html.twig

templates/duplicates/duplicate-node.html.twig

templates/duplicates/duplicates-index.html.twig

templates/emails/test-emails.html.twig