Is it possible to use Managed Identity instead of Entra App & Secret for configuring the authentication in Blazor App?

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### This issue is for a: (mark with an `x`)
```
- [ ] bug report -> please search issues before submitting
- [X ] feature request
- [X ] documentation issue or request
- [ ] regression (a behavior that used to work and stopped in a new release)
```

### Minimal steps to reproduce
> Want to remove the dependency of App Secret in the authentication flow.

### Any log messages given by the failure
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### Expected/desired behavior
> Ability to configure using Managed Identity

### OS and Version?
> Windows 7, 8 or 10. Linux (which distribution). macOS (Yosemite? El Capitan? Sierra?)

### Versions
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### Mention any other details that might be useful

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