The Muhajadeen lost the whole country to the USSR. They were just able to mount a sustained insurgency from the back country.
That is not even close to being analogous to the conventional war in Ukraine between two standing armies
So you just proved the Muhajadeen effectively used the military aid they got from Saudi Arabia, Pakistan, and United States, because they didn't blow the money on swimming pools and sports cars since they were able to mount an effective insurgency.
Let's get to the real question: Do you support Trump freezing military aid to Ukraine?