Fix persistence loading issue

src/ruby/bindings.rb

@@ -1,7 +1,3 @@
-persistence_dir = File.join(ENV["XDG_STATE_HOME"] || File.expand_path("~/.local/state"), "kutu")
-Dir.mkdir(persistence_dir) unless Dir.exist?(persistence_dir)
-persistence_path = File.join(persistence_dir, "num.json")
-
 presets = {
   normal: [0, X.clk],
   mod: [X.mod, X.mod | X.clk]

src/ruby/utils.rb

@@ -1,3 +1,7 @@
+persistence_dir = File.join(ENV["XDG_STATE_HOME"] || File.expand_path("~/.local/state"), "kutu")
+Dir.mkdir(persistence_dir) unless Dir.exist?(persistence_dir)
+persistence_path = File.join(persistence_dir, "num.json")
+
 def keybind(key, mod, &block)
   if mod.is_a? Array
     mod.each { |m| keybind(key, m, &block) }
@@ -29,7 +33,6 @@ def load_monitors!
   xrandr_output = `xrandr --query`
   connected = xrandr_output.each_line.select { |line| line.include?(" connected") }
   connected.sort_by! { |line| line.include?(" primary") ? 0 : 1 }
-  persistence_path = File.join(__dir__, ".num.json")
   persistence = File.exist?(persistence_path) ?
     JSON.parse(File.read(persistence_path), symbolize_names: true) :
     {}