[fix] Avoid layer name conflicts in aten::index

[mfeliz-cruise]

Description

Repeated aten::index ops in a convertible block would cause layer name conflicts. Add node_info to the layer names to avoid this.

Error Code 4: Internal Error (Repeated layer name: compute_dim0_0 (layers must have distinct names))

Fixes # (issue)

Type of change

Please delete options that are not relevant and/or add your own.

• Bug fix (non-breaking change which fixes an issue)

Checklist:

• My code follows the style guidelines of this project (You can use the linters)
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas and hacks
• I have made corresponding changes to the documentation
• I have added tests to verify my fix or my feature
• New and existing unit tests pass locally with my changes
• I have added the relevant labels to my PR in so that relevant reviewers are notified

[narendasan]

LGTM

[fatemebafghi]

Hello there. I am getting an error for same layer name on casting from Int32 to float32 as below.

I think it may be related to this bug. I would be so appreciated if you could help me fix it.