bug: Fix app initialisation race condition on tenants and userInfo API call handling

[Ayurshi-Singh]

Describe the bug

Currently during the UI app initialisation, if both the tenant and userInfo API fail, there is a race condition taking place. As a result of which, the UI screen breaks and displays nothing (no error info).

Steps To Reproduce

• Load the UI
• If both tenants and userInfo endpoint throw error
• UI is in unusable state with no error information.

Expected Behaviour

Relevant error information should be show.

Additional Context

No response