On the other side of ‘The Last Jedi,’ director Rian Johnson found the ‘Star Wars’ journey he was looking for

Four years ago, he walked into a meeting with Lucasfilm head Kathleen Kennedy, then looking to hire new blood to helm the eighth “Star Wars” film, and embarked on a career-changing journey into a galaxy far, far away.

Now — many, many porgs later — Rian Johnson can finally exhale.

“What could possibly…