Adding missing permissions to AP Identity Center role

[julialawrence]

ministryofjustice/analytical-platform#6510

This PR adds missing permissions to the AP Identity Center role to allow lookups if identity store ids and updating groups and users.

(Also, an additional file got fixed up in terraform fmt)

[github-actions]

🦙 MegaLinter status: ✅ SUCCESS

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ REPOSITORY	gitleaks	yes		no	0.64s
✅ REPOSITORY	trivy	yes		no	19.49s
✅ TERRAFORM	terraform-fmt	2		0	0.11s
✅ TERRAFORM	tflint	yes		no	11.9s

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[ewastempel]

looks good to me