Adding Rollout controller referance deployment

[Eslam-mohammed-anwar]

This PR fixes issue like #225 https://github.com/FairwindsOps/goldilocks/issues/225

Checklist

• [x] I have signed the CLA
• [x] I have updated/added any relevant documentation

Description

What's the goal of this PR?

• Fix the Dashboard when you use Rollout which points to Deployment

What changes did you make?

• Add reference to deployment when Rollout kind detected and spec for Rollout is empty

What alternative solution should we consider, if any?

[CLAassistant]

All committers have signed the CLA.