--default-tags is overriding tags set in Ingress annotations

[bytemux]

Describe the bug
--default-tags is overriding tags set in Ingress annotations, not matching the documented behavior

Parameter	Description	Default
defaultTags	Default tags to apply to all AWS resources managed by this controller	{}

Also reported in #187 (comment)

Steps to reproduce

1. Set defaultTags for aws-load-balancer-controller:

--default-tags=Tag1=default

2. Create Ingress with

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  annotations:
    alb.ingress.kubernetes.io/tags: Tag1=fromannotation,Tag2=foobar

Expected outcome
ALB has tags: Tag1=fromannotation,Tag2=foobar

Actual outcome
ALB has tags: Tag1=default,Tag2=foobar

Environment

• AWS Load Balancer controller version public.ecr.aws/eks/aws-load-balancer-controller:v2.8.1
• Kubernetes version 1.30
• Using EKS (yes/no), if so version? Yes, 1.30

[wweiwei-li]

Controller-level flag --default-tags will have the highest priority. It is documented both on the Controller command line flags section and IngressClass Section