Support for refresh_in for ConfidentialClient (#542)

* Added support for force refresh_in

* fixed failing test

* updating storage

* Updated the force refresh in

* Updated test description

* Updated test

* Updated force refresh in

Shifted RefreshOn in Metadata

* Updated some tests

* Updated time.

* Cleaned up code reference with PR comments

* Refactor code

* Updated the refreshin system on per tenant base

* Added test for force refresh once for each tenant

* Update confidential_test.go

* Update confidential_test.go

* Update confidential_test.go

* Refactor code

* Update confidential_test.go

* Updated some tests to adapt to change in time

* Added RefreshIn logic for Managed Identity

* Added a sync http client and updated tests

* Updated the code

* Added a time setting for refreshOn for MI

* Updated the refreshon time when ests gives empry refreshon

* Updated test to fail on first error

* Refactored the channel for test

* Resolve PR comments

* updated code based on comments

* Added a test to check the concurrent 2 tenant request

* Updated concurrent test

* Updating MockClient

* Updated one concurrent test

* Update confidential_test.go

* Resolved the flaky test

* Updating for the simpler check for refresh in

* resolved comments

Author: 4gust

apps/confidential/confidential.go

@@ -639,7 +639,7 @@ func (cca Client) AcquireTokenByUsernamePassword(ctx context.Context, scopes []s
 	if err != nil {
 		return AuthResult{}, err
 	}
-	return cca.base.AuthResultFromToken(ctx, authParams, token, true)
+	return cca.base.AuthResultFromToken(ctx, authParams, token)
 }
 
 // acquireTokenByAuthCodeOptions contains the optional parameters used to acquire an access token using the authorization code flow.
@@ -733,7 +733,7 @@ func (cca Client) AcquireTokenByCredential(ctx context.Context, scopes []string,
 	if err != nil {
 		return AuthResult{}, err
 	}
-	return cca.base.AuthResultFromToken(ctx, authParams, token, true)
+	return cca.base.AuthResultFromToken(ctx, authParams, token)
 }
 
 // acquireTokenOnBehalfOfOptions contains optional configuration for AcquireTokenOnBehalfOf