[BUG] GetToken fails when providing multiple scopes

This code uses two scopes:

new DefaultAzureCredential().GetToken(new TokenRequestContext(new string[]{"https://management.azure.com/.default", "https://storage.azure.com/.default"}));

Throws this exception for EnvironmentCredential

Content:
{"error":"invalid_scope","error_description":"AADSTS70011: The provided request must include a 'scope' input parameter. The provided value for the input parameter 'scope' is not valid. The scope https://management.azure.com/.default https://storage.azure.com/.default is not valid.\r\nTrace ID: 81053cae-3879-4358-a9de-95bf1e230800\r\nCorrelation ID: c6855d6c-d11b-40da-ab7f-826f95a51dda\r\nTimestamp: 
2019-12-11 02:19:59Z","error_codes":[70011],"timestamp":"2019-12-11 02:19:59Z","trace_id":"81053cae-3879-4358-a9de-95bf1e230800","correlation_id":"c6855d6c-d11b-40da-ab7f-826f95a51dda"}

Throws this exception for Managed Identity enabled VM

 ---> (Inner Exception #1) Azure.Identity.AuthenticationFailedException: The authentication request failed due to an unhandled exception.  See inner exception for details.
 ---> System.ArgumentException: To convert to a resource string the specified array must be exactly length 1 (Parameter 'scopes')
   at Azure.Identity.ScopeUtilities.ScopesToResource(String[] scopes)
   at Azure.Identity.ManagedIdentityClient.CreateImdsAuthRequest(String[] scopes, String clientId)

This exception for SharedTokenCacheCredential:

---> (Inner Exception #1) Azure.Identity.AuthenticationFailedException: The authentication request failed due to an unhandled exception.  See inner exception for details.
 ---> Microsoft.Identity.Client.MsalServiceException: AADSTS70011: The provided request must include a 'scope' input parameter. The provided value for the input parameter 'scope' is not valid. The scope https://management.azure.com/.default https://storage.azure.com/.default offline_access openid profile is not valid. .default scope can't be combined with resource-specific scopes.

They work individually:

Azure.Identity.ClientSecretCredential.GetToken succeeded. Scopes: [ https://storage.azure.com/.default ] ParentRequestId:  ExpiresOn: 2019-12-11T03:21:30.6755818+00:00
Azure.Identity.EnvironmentCredential.GetToken succeeded. Scopes: [ https://storage.azure.com/.default ] ParentRequestId:  ExpiresOn: 2019-12-11T03:21:30.6755818+00:00
Azure.Identity.DefaultAcureCredential.GetToken succeeded. Scopes: [ https://storage.azure.com/.default ] ParentRequestId:  ExpiresOn: 2019-12-11T03:21:30.6755818+00:00

Azure.Identity.ClientSecretCredential.GetToken succeeded. Scopes: [ https://management.azure.com/.default ] ParentRequestId:  ExpiresOn: 2019-12-11T03:21:44.3453129+00:00
Azure.Identity.EnvironmentCredential.GetToken succeeded. Scopes: [ https://management.azure.com/.default ] ParentRequestId:  ExpiresOn: 2019-12-11T03:21:44.3453129+00:00
Azure.Identity.DefaultAcureCredential.GetToken succeeded. Scopes: [ https://management.azure.com/.default ] ParentRequestId:  ExpiresOn: 2019-12-11T03:21:44.3453129+00:00