Fixed storage-credentials list command in text output (#1094)

## Changes
Fixes #1029 
Closes #910 

## Tests
Added regression test

cmd/workspace/storage-credentials/overrides.go

@@ -8,7 +8,7 @@ import (
 func listOverride(listCmd *cobra.Command) {
 	listCmd.Annotations["template"] = cmdio.Heredoc(`
 	{{header "ID"}}	{{header "Name"}}	{{header "Credentials"}}
-	{{range .}}{{.Id|green}}	{{.Name|cyan}}	{{if .AwsIamRole}}{{.AwsIamRole.RoleArn}}{{end}}{{if .AzureServicePrincipal}}{{.AzureServicePrincipal.ApplicationId}}{{end}}{{if .GcpServiceAccountKey}}{{.Email}}{{end}}
+	{{range .}}{{.Id|green}}	{{.Name|cyan}}	{{if .AwsIamRole}}{{.AwsIamRole.RoleArn}}{{end}}{{if .AzureServicePrincipal}}{{.AzureServicePrincipal.ApplicationId}}{{end}}{{if .DatabricksGcpServiceAccount}}{{.DatabricksGcpServiceAccount.Email}}{{end}}
 	{{end}}`)
 }
 

internal/storage_credentials_test.go

@@ -0,0 +1,15 @@
+package internal
+
+import (
+	"testing"
+
+	"github.com/databricks/cli/internal/acc"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestStorageCredentialsListRendersResponse(t *testing.T) {
+	_, _ = acc.WorkspaceTest(t)
+	stdout, stderr := RequireSuccessfulRun(t, "storage-credentials", "list")
+	assert.NotEmpty(t, stdout)
+	assert.Empty(t, stderr)
+}