allow missing stackfile for beta

Author: jordanstephens

src/cmd/cli/command/globals.go

@@ -254,6 +254,10 @@ func loadStackFile(stackName string) error {
 		// Check for conflicts before loading
 		err := checkEnvConflicts(stackName)
 		if err != nil {
+			// For the default "beta" stack, make it optional if the file doesn't exist
+			if stackName == "beta" && os.IsNotExist(err) {
+				return nil
+			}
 			return err
 		}