Giving a user clear information on each unauthorized attempt where its not given in the frontend

[divinecharlotte]

Description:

• Check everywhere UnauthorizedException() is thrown .
• Everywhere UnauthorizedException() is thrown send a message with information explaining why it’s un-authorized.
• If it's error 403: Say something "You don't have the right permission to access this resource"
• if it's error 401: We should direct to the login page

Acceptance Criteria:

• The project runs as expected with clear information wherever UnauthorizedException() is thrown.
• UnauthorizedException() is thrown as expected.