refactor(dlcm-portal): refactor code

src/app/access/access.state.ts

src/app/app-routing.module.ts

src/app/app.component.ts

src/app/app.module.ts

src/app/app.state.ts

src/app/auth.config.ts

src/app/components/home/home.component.ts

src/app/components/login/login.component.ts

...ents/main-toolbar-mobile/main-toolbar-mobile.component.ts

src/app/components/main-toolbar/main-toolbar.component.ts

src/app/core/auth/auth.config.ts

src/app/core/auth/base64-helper.ts

src/app/core/auth/encoder.ts

src/app/core/auth/events.ts

src/app/core/auth/oauth-module.config.ts

src/app/core/auth/oauth2.service.ts

src/app/core/auth/types.ts

src/app/core/custom-mat-paginator-intl.service.ts

src/app/core/error.service.ts

src/app/core/global-errors-handler.service.ts