They got 10 days in Winter 2025 to figure it out. (IYKYK)
A safe bet is around Zootopia 2 debut: November 26..
It's also hard to envision they close Dinosaur before opening this so even if it slips a bit.
No clues about Rizzo yet.
When I had my down and back farewell to see MV3D for the final time, Disney sent me a survey and it had a focused section on PizzeRizzo (food, service, etc.)
I didn't give it positive marks on it's food. Just like you I hope we see an upgrade there in the future...