Laptops with the GeForce GTX 1060 will always be more expensive than the same model with the slower GeForce GTX 1050. Price mistake or not, the Dell G7 15 with the GTX 1060 Max-Q is suddenly cheaper than the GTX 1050 Ti option. The sale extends across the entire G5 lineup, but the price cut is steeper on the GTX 1060 Max-Q SKU for one reason or another.
https://www.notebookcheck.net/Strangely-the-Dell-G7-15-with-GTX-1060-is-currently-less-expensive-than-the-GTX-1050-Ti-option.320780.0.html
I would say that the $1099 is a better deal. It has double the RAM (16GB, 2x8) and dual storage (128GB SSD + 1TB HDD) for just $100.