NNS Proposal: Make canister_status public to anyone

[saikatdas0790]

Relevant post that I created sometime back:

Feature Request: Provide easier access to canister_status

The canister_status when queried by a canister for itself is rejected. This is because this call is only allowed for principals that are a controller for this canister. However, this behavior is unintuitive and restrictive. Please consider enabling one of the following: Making this data publicly callable instead of requiring a controller to call Adding the canister’s principal to the list of controllers by default on canister creation. That way the canister can choose to expose this on itse…

This would also make it possible for the canister itself to make that information public with its own public API if it so chooses.