When an EC2 has a shared and a in account security group with identical names deleting one from "Change Security Groups" will delete both #10436

Describe the bug

When 2 (I assume or more) Security groups with an identical name are assigned to an ENIs security group list, deleting one, will delete all of the same name.

Regression Issue

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Expected Behavior

I expected to only delete security group ID sg-075407198e27a64bc, but it also deleted sg-0811e4163b09b96c7

Current Behavior

It deletes all security groups with the identical name, which is incorrect, it should delete only the selected item.

Reproduction Steps

This is done via the GUI

I believe this was the order this will work in. It requires the same region and 2 different AWS accounts.

Create and share a vpc and at least 1 subnet in account 1
Share this with account 2 via RAM

Create a SG in account 1 name it "My SG"
Create a SG in account 2 name it "My SG" (must be the same name)
Share the new SG from account 2 to account 1 with RAM

Back in account 1 add BOTH newly created SG to any eni and save it.
Edit the ENIs security groups again and remove the shared one. You will find that both SG disappear.
It looks like the deletion is being done on Security Group Name, NOT Security group ID

Possible Solution

ensure the Remove button on the GUI removes by ID, not name

Additional Information/Context

No response

CLI version used

N/A

Environment details (OS name and version, etc.)

N/A