unbindKey unbinds all

[ArranTuna]

Describe the bug
unbindKey removes more binds than you asked it to, see example.

To Reproduce

function f1()
    outputChatBox("f1")
end
bindKey("1", "down", f1)

function f2()
    outputChatBox("f2")
end
bindKey("1", "down", f2)

function f3()
    outputChatBox("f3 (f1 should stop appearing now, press 2 again, f2 will then stop working)")
    unbindKey("1", "down", f1)
end
bindKey("2", "down", f3)

This can be used to reproduce the bug. Note that if you change bindKey("1", "down", f2) to bindKey("1", "up", f2) then the bug won't happen.

Expected behavior
Only the specified bind should occur.

MTA Client: 1.5.5

MTA Server 1.5.5

Additional context
From https://bugs.mtasa.com/view.php?id=9557

[ArranTuna]

This is made worse by the fact that 1 script can break another script, as unbindKey in 1 script will unbind the key in the other script.

[PlatinMTA]

Just in case, this still occurs. It broke one of my scripts on a weird way.

In my case it happend with "both", didn't use "down"