Added active_for_authentication method in the user.rb

[aniketkaushik]

Pull Request Template

https://www.loom.com/share/3a2af561c104485dbf3c7fe3fd3b143b

Description

added code, only non discarded user will be able to Sign In.

Fixes #140

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to
  not work as expected)
• This change requires a documentation update

How Has This Been Tested?

Checklist:

• I have manually tested all workflows
• I have performed a self-review of my own code
• I have added automated tests for my code

[github-actions]

Current Code Coverage Percent of this PR:

68.57 %

Files having coverage below 100%

Impacted Files	Coverage
/config/routes.rb	94.74 %
/app/models/user.rb	82.35 %
/app/controllers/projects_controller.rb	50.0 %
/app/controllers/application_controller.rb	77.78 %
/app/helpers/application_helper.rb	80.0 %
/app/helpers/team_helper.rb	57.14 %
/app/controllers/time_tracking_controller.rb	30.0 %
/app/controllers/concerns/timesheet.rb	37.5 %
/app/controllers/company_controller.rb	67.65 %
/app/controllers/root_controller.rb	33.33 %
/app/controllers/team_controller.rb	38.46 %
/app/controllers/dashboard_controller.rb	66.67 %
/app/controllers/clients_controller.rb	66.67 %
/app/controllers/concerns/error_handler.rb	60.0 %
/app/models/timesheet_entry.rb	81.25 %
/app/controllers/users/passwords_controller.rb	41.67 %
/app/controllers/users/omniauth_callbacks_controller.rb	25.0 %
/app/controllers/users/sessions_controller.rb	25.0 %
/app/controllers/users/registrations_controller.rb	45.83 %
/app/controllers/users/invitations_controller.rb	63.64 %
/app/controllers/internal_api/v1/application_controller.rb	85.71 %
/app/controllers/internal_api/v1/timesheet_entry_controller.rb	35.71 %

[rohitjoshixyz]

LGTM 🎉

[akhilgkrishnan]

LGTM 🎉 , Please resolve the conflic