GetById() method's swagger doc has missing response type

[ratanparai]

I'm submitting a...

[x] Bug report  
[ ] Performance issue
[ ] Feature request
[ ] Documentation issue or request
[ ] Other... Please describe:

Current behavior

/api/Institute/{id} - api endpoint do not have all response type declaration in swagger api documentation page.

Expected behavior

It should document every response type for api endpoint documentation.