Allow 2-way communication between the parent window and embedded NR instances

[cstns]

Epic

#3646

Description

The nr-launcher should be able to emit messageEvents instead of full page redirect when loading the NR editor in an embedded environment in order to have a cohesive experience when using the streamlined node-red editor through FF

Acceptance Criteria

• the nr-launcher should allow per session configuration to intercept external link redirects and emit redirect requests to the parent window when embedded