The conditional policy for the List operations does not work as expected for the bucket with tenant.

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The conditional policy for the List operations does not work as expected
for the bucket with tenant. With buckets and users without a tenant,
everything is fine.
The owner of t1\bucket1 is t1$user1.
Bucket Policy:
{
   "Version":"2012-10-17",
   "Statement":[
     {
       "Sid":"PolicyForUser2Prefix",
       "Effect":"Allow",
       "Principal":{"AWS": ["arn:aws:iam::t1:user/user2"] },
       "Action": ["s3:List*","s3:Get*"],
       "Condition" : {
               "StringLike" : {
                       "s3:prefix": [ "obj*"], "s3:delimiter":["/"]
               }
       },
       "Resource": [
          "arn:aws:s3::t1:bucket1",
          "arn:aws:s3::t1:bucket1/obj*"
       ]
     }
   ]
}
t1$user2 can list bucket1\obj1 but can't get bucket1\obj1
Get returns Error403
If the "Condition" section is removed from the policy, t1$user2 can get
obj1 but can't list.
If I change the condition to "StringLikeIfExists", everything is fine, but
t1$user2 can List the root of the bucket1, which is undesirable.
Are there any errors in the policy or is it a bug?
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