fix button tap ignore_if_hidden

if tap is too short, it triggered anyway

Author: pingu7867

lua/pac3/core/client/part_pool.lua

@@ -693,7 +693,7 @@ function pac.UpdateButtonEvents(ply, key, down)
 	local button_events = ply.pac_part_cache_button_events or {}
 	for _,part in pairs(button_events) do
 		if part:GetProperty("ignore_if_hidden") then
-			if part:IsHidden() then continue end
+			if part:IsHidden() or (CurTime() - part.showtime) < 0.05 then continue end
 		end
 		if key ~= string.Split(part.Arguments, "@@")[1]:lower() then continue end
 		part.pac_broadcasted_buttons_holduntil = part.pac_broadcasted_buttons_holduntil or {}