#163684763 Consume api endpoints to update report status

[valenstical]

What does this PR do? This PR consumes api endpoint to update the status red-flag and intervention reports from the admin dashboard.

Description of tasks

• Consume PATCH/api/v1/red-flags/:id/status and PATCH/api/v1/interventions/:id/status endpoints to update the status of a specific red-flag and intervention report.
• Made minor UI changes to reflect proper notification color scheme to improve user experience

How can this PR be tested

• Visit https://valenstical.github.io/ireporter/admin-login.html to login and gain access to the admin dashboard and view the list of all reports.
• Click the status of any reports and change accordingly from the dropdown menu. Use the default account below to sign in username: admin password: 123

What are the relevant pivotal tracker stories? #163684763

Screenshot