Add check if Minio Kafka Event is present before retry overwriting it

[jujusb]

InvalidArgumentAn object key name filtering rule defined with overlapping prefixes, overlapping suffixes, or overlapping combinations of prefixes and suffixes for the same event types.traces/traces/182A8F9C553EC034dd9025bab4ad464b049177c95eb6ebf374d3b3fd1af9251148b658df7ac2e3e8mc: TLS Certificate found:
mc: >> Country: US
mc: >> Organization: Let's Encrypt
mc: >> Expires: 2025-03-09 15:32:19 +0000 UTC
mc: TLS Certificate found:
mc: >> Country: US
mc: >> Organization: Internet Security Research Group
mc: >> Expires: 2027-03-12 23:59:59 +0000 UTC
mc: Response Time: 2.297689ms

mc: Unable to enable notification on the specified bucket. An object key name filtering rule defined with overlapping prefixes, overlapping suffixes, or overlapping combinations of prefixes and suffixes for the same event types.
(0) client-s3.go:366 cmd.(*S3Client).AddNotificationConfig(..)
Release-Tag:RELEASE.2025-02-04T04-57-50Z | Commit:318e7070718f | Host:minio-mc.internal.test | OS:linux | Arch:amd64 | Lang:go1.23.5 | Mem:3.6 MiB/13 MiB | Heap:3.6 MiB/7.4 MiB.

[jujusb]

fixed in c7b00d2