Mistake in environment variable name

[viastakhov]

kafka-webview/kafka-webview-ui/src/main/resources/config/base.yml

Line 51 in 0b5a5dc

port: ${ACUATOR_PORT:9090}

Expected: ACTUATOR_PORT

[renjanmenon]

Raised PR# #270
Please review . Thanks !

[Crim]

Included in 2.9.1 release, please let me know if you have any issues.

Thanks!