

Probably not.
I also don’t see why any spacefaring civilization would have any interest in colonizing inhabited planets. It would just be more hassle for the same resources you could get on lots and lots of planets. If they have the technology for interstellar flight, they can probably extract whatever they want from wherever they want. Regarding living space, you wouldn’t even need planets, there are far more efficient structures you could devise when you don’t have to limit yourself to only what nature has provided.
Just adds an extra, unnecessary step. It’d be like if you had billions of grocery stores to choose from and went to the one crawling with ants.