Xwayland matching in window rules broke

[Vladimir-csp]

Hyprland version

0.56.1

Is this a regression?

Yes

What's the bug?

After upgrade to 0.56.x rules with xwayland = true match any window.

Reproduction steps

I have rules to visually mark xwayland windows, they worked on 0.55.x:

-- visually mark xwayland
hl.window_rule({
    match = {
        xwayland = true,
        focus = true,
    },
    border_color = {colors = {"rgba(ffc020ff)", "rgba(ff5010ff)", "rgba(ffc020ff)"}, angle = 45},
})
hl.window_rule({
    match = {
        xwayland = true,
        focus = false,
    },
    border_color = {colors = {"rgba(ff481040)", "rgba(c0c01040)"}, angle = 45},
})

Now they do not.

If I add a test rule, it applies to all windows except xwayland, no matter the value of xwayland match:

hl.window_rule({
    match = {
        xwayland = true,
    },
    border_size = 6,
})

The rules above with both xwayland and focus matches do not apply to any window. hyprctl clients correctly reports windows in question as xwayland: 1

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