Fix aws_autoscaling_group to handle launch template name change

[dhrkumar]

Description

Fix a bug where if aws_autoscaling_group is referencing launch template by name and launch template name is changed, then plan action shows the update but AWS UpdateAutoScalingGroup action is invoked with old launch template id.

Relations

Closes #33912

References

Output from Acceptance Testing

$ make testacc TESTS='TestAccAutoScalingGroup_LaunchTemplate_update' PKG=autoscaling ACCTEST_PARALLELISM=3
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./internal/service/autoscaling/... -v -count 1 -parallel 3 -run='TestAccAutoScalingGroup_LaunchTemplate_update'  -timeout 360m
=== RUN   TestAccAutoScalingGroup_LaunchTemplate_update
=== PAUSE TestAccAutoScalingGroup_LaunchTemplate_update
=== CONT  TestAccAutoScalingGroup_LaunchTemplate_update
--- PASS: TestAccAutoScalingGroup_LaunchTemplate_update (1054.63s)
PASS
ok  	github.com/hashicorp/terraform-provider-aws/internal/service/autoscaling	1054.719s
$ make testacc TESTS='TestAccAutoScalingGroup_MixedInstancesPolicyLaunchTemplateLaunchTemplateSpecification_launchTemplateName' PKG=autoscaling ACCTEST_PARALLELISM=3==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./internal/service/autoscaling/... -v -count 1 -parallel 3 -run='TestAccAutoScalingGroup_MixedInstancesPolicyLaunchTemplateLaunchTemplateSpecification_launchTemplateName'  -timeout 360m
=== RUN   TestAccAutoScalingGroup_MixedInstancesPolicyLaunchTemplateLaunchTemplateSpecification_launchTemplateName
=== PAUSE TestAccAutoScalingGroup_MixedInstancesPolicyLaunchTemplateLaunchTemplateSpecification_launchTemplateName
=== CONT  TestAccAutoScalingGroup_MixedInstancesPolicyLaunchTemplateLaunchTemplateSpecification_launchTemplateName
--- PASS: TestAccAutoScalingGroup_MixedInstancesPolicyLaunchTemplateLaunchTemplateSpecification_launchTemplateName (416.23s)
PASS
ok  	github.com/hashicorp/terraform-provider-aws/internal/service/autoscaling	416.327s
$ make testacc TESTS='TestAccAutoScalingGroup_MixedInstancesPolicyLaunchTemplateOverride_instanceTypeWithLaunchTemplateSpecification' PKG=autoscaling ACCTEST_PARALLELISM=3
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./internal/service/autoscaling/... -v -count 1 -parallel 3 -run='TestAccAutoScalingGroup_MixedInstancesPolicyLaunchTemplateOverride_instanceTypeWithLaunchTemplateSpecification'  -timeout 360m
=== RUN   TestAccAutoScalingGroup_MixedInstancesPolicyLaunchTemplateOverride_instanceTypeWithLaunchTemplateSpecification
=== PAUSE TestAccAutoScalingGroup_MixedInstancesPolicyLaunchTemplateOverride_instanceTypeWithLaunchTemplateSpecification
=== CONT  TestAccAutoScalingGroup_MixedInstancesPolicyLaunchTemplateOverride_instanceTypeWithLaunchTemplateSpecification
--- PASS: TestAccAutoScalingGroup_MixedInstancesPolicyLaunchTemplateOverride_instanceTypeWithLaunchTemplateSpecification (496.84s)
PASS
ok  	github.com/hashicorp/terraform-provider-aws/internal/service/autoscaling	496.941s

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