When specifying customProductName or customLogoFile in consoles.operator.openshift.io cluster, the favicon of the web console remains displays OpenShift favicon. The customer want to be able to add its own favicon, ideally the same way as the customLogoFile, by creating a ConfigMap in the openshift-config namespace.

Console should pick up change done in CONSOLE-4061 

AC: 

• Add new bridge flag for custom favicon file path, which is mounted into the console pod
• Read the custom favicon file and set it as a SERVER_FLAG
• Set the custom favicon for the console index page