I'd like to thank everyone who provided their input on this and voted.
I've decided to start flowering right away based on the responses I've had, and my original planning. There does not seem to be a consensus, but I thought I would take the middle way. I was originally planning to wait a couple more weeks, but I believe I can get just as good total production with the plants being slightly smaller, considering how much light I have. The other factor was that my clones finally rooted, and I won't need to take further cuttings. I anticipated this result and started 12/12 on Monday. See my journal for more information, and thanks again.
Journal :
https://www.rollitup.org/grow-journals/254989-sensi-star-white-russian.html