Use exception class `Forbidden` to raise 403 errors.#6038

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Aadesh-Baral wants to merge 10 commits intodevelopfrom enhance/5912-403-error

+710-859

Commits on Aug 30, 2023

Remove user permission ncheck on service function to update project as this is already checked in resource function
Aadesh-Baral
committed
Remove nerver reaching except blocks.
Aadesh-Baral
committed
Handle new error response format on frontend.
Aadesh-Baral
committed