s3api: fix static IAM policy enforcement after reload (#8532)

* s3api: honor attached IAM policies over legacy actions

* s3api: hydrate IAM policy docs during config reload

* s3api: use policy-aware auth when listing buckets

* credential: propagate context through filer_etc policy reads

* credential: make legacy policy deletes durable

* s3api: exercise managed policy runtime loader

* s3api: allow static IAM users without session tokens

* iam: deny unmatched attached policies under default allow

* iam: load embedded policy files from filer store

* s3api: require session tokens for IAM presigning

* s3api: sync runtime policies into zero-config IAM

* credential: respect context in policy file loads

* credential: serialize legacy policy deletes

* iam: align filer policy store naming

* s3api: use authenticated principals for presigning

* iam: deep copy policy conditions

* s3api: require request creation in policy tests

* filer: keep ReadInsideFiler as the context-aware API

* iam: harden filer policy store writes

* credential: strengthen legacy policy serialization test

* credential: forward runtime policy loaders through wrapper

* s3api: harden runtime policy merging

* iam: require typed already-exists errors

weed/admin/dash/mq_management.go

@@ -391,7 +391,7 @@ func (s *AdminServer) GetConsumerGroupOffsets(namespace, topicName string) ([]Co
 								consumerGroup := strings.TrimSuffix(offsetResp.Entry.Name, ".offset")
 
 								// Read the offset value from the file
-								offsetData, err := filer.ReadInsideFiler(client, partitionDir, offsetResp.Entry.Name)
+								offsetData, err := filer.ReadInsideFiler(context.Background(), client, partitionDir, offsetResp.Entry.Name)
 								if err != nil {
 									glog.Warningf("Failed to read offset file %s: %v", offsetResp.Entry.Name, err)
 									continue