refactor: regroup enums

cypress/integration/admin.spec.ts

cypress/integration/deposit.spec.ts

cypress/integration/home.spec.ts

cypress/integration/orgunit-helper.ts

cypress/integration/preservation-planning.spec.ts

...on/preservation-space/preservation-space-common.helper.ts

cypress/integration/test-helper.ts

cypress/tsconfig.json

cypress/webpack.config.js

src/app/app.component.ts

...s/language-selector/language-selector.presentational.html

...als/language-selector/language-selector.presentational.ts

...ract-main-toolbar/abstract-main-toolbar.presentational.ts

.../main-toolbar/main-toolbar/main-toolbar.presentational.ts

src/app/components/presentationals/user-form/user-form.ts

src/app/enums/index.ts

...cy-form/admin-dissemination-policy-form.presentational.ts

...n-policy-list/admin-dissemination-policy-list.routable.ts

...s/admin-license-form/admin-license-form.presentational.ts

...data-type-form/admin-metadata-type-form.presentational.ts