RecursiveBinder doesn't reset if you press trigger key while a modal is already open

[saml-dev]

I would expect pressing the trigger key to cancel any in-progress modal, but it doesn't. It hides the UI, but is still listening for keypresses.

Here is a minimal reproduction:

hs.loadSpoon("RecursiveBinder")
local singleKey = spoon.RecursiveBinder.singleKey

local keyMap = {
    [singleKey("l", "links")] = {
        [singleKey("g", "google")] = function() hs.execute("open https://google.com") end
    },
    [singleKey("a", "apple")] = function() hs.execute("open https://apple.com") end
}

hs.hotkey.bind({ "cmd" }, "j", spoon.RecursiveBinder.recursiveBind(keyMap))

Using this as your config, you can see the unexpected behavior by using this sequence of key presses

cmd j        -- triggers the modal
l                -- opens the "links" groups
cmd j        -- reset the modal back to the root
a               -- opens apple.com in the browser, closing the modal UI, signals to user that it's not listening
g               -- opens google.com in the browser because the first modal was still listening for keypresses

The workaround is to press escape before starting a new modal, but I have a fix for this bug. I'll open a PR right after posting this issue.