Company> Messages>New unopened message number

[nouratahhan99]

Describe the bug
When having new unopened messages, a number of unopened messages should appear beside the "Messages" button in the banner, it is applied and functioning in the Talent

To Reproduce
Steps to reproduce the behavior:

1. Go to http://devalopers.herokuapp.com/login
2. Log in as a company with the below credentials:
   Email: company1@devalopers.com
   Password: Company@123
3. Go to the landing page http://devalopers.herokuapp.com/company/home
4. You can notice the messages banner as below
   
5. Attached below the messages banner of the Dev talent profile, the numbering should be as done in the talent below: