Fixing the UI bugs with enabled and disabled props and entities

src/app/courses/groups/group-list/group-list.component.html

src/app/courses/groups/group-list/group-list.component.ts

...urses/groups/group-projects/group-projects.component.html

...courses/groups/group-projects/group-projects.component.ts

...app/courses/groups/group-users/group-users.component.html

src/app/courses/groups/group-users/group-users.component.ts

...ses/projects/project-config/project-config.component.html

src/app/courses/roles/role-detail/role-detail.component.html

src/app/courses/roles/role-list/role-list.component.html

src/app/courses/roles/role-list/role-list.component.ts

src/app/courses/roles/role-users/role-users.component.html

src/app/courses/roles/role-users/role-users.component.ts

...ssions/submission-detail/submission-detail.component.html

...missions/submission-detail/submission-detail.component.ts