WHAT
We can get a nil pointer if routes do not exist and possibly if HOST does not yet exist on the route.

https://github.com/integr8ly/integreatly-operator/blob/d853d2d488e8893dfb064510bf8e56c4a011162a/pkg/products/threescale/reconciler.go#L3316

HOW
<Suggestions for how this may be solved. [Optional]

TESTS
<List of related tests>

DONE
<bullet point items for what should be completed>