OZG-4321 cleanup; use own component for user-profile in header

alfa-client/apps/admin/project.json

alfa-client/apps/admin/src/app/app.component.html

alfa-client/apps/admin/src/app/app.component.spec.ts

alfa-client/apps/admin/src/app/app.component.ts

alfa-client/apps/admin/src/app/app.module.ts

alfa-client/apps/admin/src/common/auth/auth.const.ts

alfa-client/apps/admin/src/common/auth/auth.service.spec.ts

alfa-client/apps/admin/src/common/auth/auth.service.ts

...on-container/user-profile-button-container.component.html

...on-container/user-profile-button-container.component.scss

...container/user-profile-button-container.component.spec.ts

...tton-container/user-profile.button-container.component.ts