Bind / unbind! Key assignment problem (Sniper: Ghost Warrior 3)

Guys, I ran through the topics, I didn't find it, correct the admin if I missed it, in general I liked the toy as a sofa sniper simulator, I don't care about the plot and so on I play for the sake of gameplay, but what I didn't like was fixing it, and I fixed it like this it's not funny that it was hemorrhoid, since with the mods for this game I'm on you, but there is a best mod here on the site that ruled one problem, these are ladders, namely, changed the name of the action from "E" to "Space to climb" added mind and AI logic and something on remote skins, cars and weapons, but there were incomprehensible cuts, marks of the enemy's attention, which is not logical, some perks were cut out, and made the glushak endless (why ?? realism in one imbalance in another), weed for the background, I just want you to be imbued with my desire to play!and now on the topic, who knows how to change the locked F, H and F1 buttons at the root of the game (maybe I missed something else) I need them to control the Persian, but I can not reassign them, this is one, but two is someone who knows what for the button in the control settings Player - "Cancel" (Y by default) according to logic, it should cancel the throw of a grenade, a knife stone, but except for canceling the aim of this throw, it does not cancel anything, the stone still flies