No, lots of confusion here.
Jefferson offered to help quell the rebellion in 1801 however suspicions of the French intentions to next take their army to Louisiana did get to his attention and nothing came of it.
There was no embargo unil 1804- after Louisiana was safely in our hands. That embargo was solely against trading with the rebels, later the Embargo Act prohibited trade with the French there too in 1807.
I don't have at hand any source that woud show he continued to supply arms, but I'm sure he did. Obviously he didn't embargo arms trading.
to the u. s. minister to france (robert r. livingston.)
Washington, Apr. 18, 1802.
"The idea here is that the troops sent to St. Domingo, were to proceed to Louisiana after finishing their work in that island. If this were the arrangement, it will give you time to return again and again to the charge, for the conquest of St. Domingo will not be a short work. It will take considerable time to wear down a great number of souldiers. "
It was tough for Jefferson to support the black rebels for a lot of reasons. Yet he did for the good of the country.
Correction: The embargo against the rebels was signed on FEBRUARY 28, 1806.