Make router a non-pointer type on client Keeper

[DimitrisJim]

Reference #5806 (comment), opening to keep track as point of discussion.

We could utilize a router w/o keeping it as a pointer (currently done to keep after effects of Adding routes visible) by an alternative Get/Set router approach.

Will try and do a minor investigation pre v9 audit to see if something is stopping this change from occurring and will update issue.

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[DimitrisJim]

Looked into it. There's some shenanigans going on after doing this and didn't think the benefit of making it non-pointer outweighs the pain of debugging it.

If for some reason this does become an issue, we can revisit.

Closing for now, feel free to reopen if needed!