Merge branch 'aws-override-collab-ff' into 'master'

Added an ability to override the collaboration feature flag via an environment variable.

See merge request !947

provider/storage-aws/src/main/resources/application.properties

@@ -81,7 +81,7 @@ repository.implementation=${STORAGE_SERVICE_REPOSITORY_IMPLEMENTATION:dynamodb}
 server.tomcat.threads.max=${TOMCAT_THREADS_MAX:300}
 
 #Collaboration context feature flag name : properties specific
-collaborations-enabled=true
+collaborations-enabled=${COLLABORATION_FF_ENABLED:true}
 
 featureFlag.strategy=appProperty
 featureFlag.opa.enabled=${OPA_ENABLED:false}