sig#882 - Implement a Generic Error Handling Method in the Frontend

[MaximilianHauer]

Description

sig#882 - Implement a Generic Error Handling Method in the Frontend

• Create a centralized error handling function in the frontend that can be used across the application.
• This function should fetch the error message from the backend response and display it in a clear and user-friendly manner.
• Consider using a Snackbar UI element to ensure the user's attention is drawn to the error message.
• If Snackbar is taken the event type "error" should not vanish until it is actively clicked away by the user

Acceptance Criteria

• [criteria 1]
• [criteria 2]
• [criteria 3]

Additional Information