Rework mc idp ldap accesskey list to use new API endpoint

[taran-p]

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Description

Updates mc idp ldap accesskey list to use the endpoint introduced in minio/minio#19835
Adds --self and --all flags to allow explicitly request listing access keys for the authenticated user or for all users

Motivation and Context

See minio/minio#19835

How to test this PR?

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Optimization (provides speedup with no functional changes)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• Fixes a regression (If yes, please add commit-id or PR # here)
• Unit tests added/updated
• Internal documentation updated
• Create a documentation update request here

[harshavardhana]

can you show how the terminal UI looks like?

[taran-p]

@harshavardhana

[harshavardhana]

@harshavardhana

This UI looks a bit mouthful; changing this and simplifying it.