TPM policy, boot override and last power operation toast error.

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These error toast messages pop up every first web Access after I flash a new image to the BMC. I have tried including in timeout and sleep in the

phosphor-webui/app/server-control/controllers/power-operations-controller.js

Line 392 in d10511f

$scope.$on('$viewContentLoaded', function() {

This seems to be occurring as a result of using $viewContentLoaded .
I am not very sure on how do I tackle this issue. Any help on this is appreciated.