typo in "old SDK" message in main stations view

[OrMemphis]

Describe the bug See title

To Reproduce

1. Bring a memphis cluster/server up
2. Create a station
3. Send a message without a header using nats cli nats pub stationName.final message
4. Open UI, get into the station view, click on the message
5. the warning message should appear at the top of the page

Expected behavior the "SDk" should be "SDK"

Screenshots