Implement a nice `HasTextFormatter` instance for `PeerSelectionActionsTrace`

Currently `cardano-node` implements the `HasTextFormatter` as an orphan instance using `show`, which clutters up the logs with unnecessary information. It would be great if that instance was implemented in the network code where it's possible to get all of the information out of the value and format the information nicely.

@Jimbo4350 wants to have this in the 1.35.0 release of node (see [this discussion](https://github.com/input-output-hk/cardano-node/pull/4608/files#r1025260625)), so it might be a good idea to add it to #4144.