feat(iam): support api-key get option to retrieve the ApiKey principal policies

[Gnoale]

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Relates OR Closes #0000

Release note for CHANGELOG:

Description

Adding an argument with-policies (default to true) to the iam api-key get command

• org owner ouput:

In this case we don't list any policy with an informative message, as the user has full control over the org

User Type:
owner (owner has all permissions over the organization)

Api Key:
AccessKey         SCWEBEM4J7VT79C0T0GA
UserID            3153ad6d-2866-4471-b0b3-6728cf875a1c
Description       -
CreatedAt         1 month ago
UpdatedAt         1 month ago
DefaultProjectID  6867048b-fe12-4e96-835e-41c79a39604b
Editable          true
Deletable         true
Managed           false
CreationIP        51.159.73.9

iam api-key get SCW***** with-policies=true

• Member user output

User Type:
member

Api Key:
AccessKey         SCWS6E3R4BX4V8GMPVYD
UserID            c65552fc-27de-4a60-a835-2145b8c142f4
Description       Generated by the Scaleway CLI
CreatedAt         1 week ago
UpdatedAt         1 week ago
DefaultProjectID  6867048b-fe12-4e96-835e-41c79a39604b
Editable          true
Deletable         true
Managed           false
CreationIP        51.159.73.145

Policies:
Copy of Editors (4feb1f44-1726-4373-bf9b-01c828ddb0ca)                            AllProductsFullAccess OrganizationReadOnly ProjectManager SupportTicketReadOnly
Copy of test-cli-iam-api-key-get-policies (39ddc97c-457c-40df-b076-0f83c1cc7d2b)  IPAMReadOnly

Fixes #4698