improvement(sonic): add move value to Sonic

sonic-radiance.love/datas/gamedata/characters/sonic/init.lua

@@ -5,6 +5,7 @@ return {
   speed       = 5,
   jump        = 3,
   turns       = 3,
+  move        = 3,
 
   startlevel  = 50,
 

sonic-radiance.love/scenes/battlesystem/actors/hero.lua

@@ -38,7 +38,7 @@ end
 
 function Hero:setActive()
   core.debug:print("cbs/hero", "hero " .. self.charid .. " is now active")
-  local gridsize = game.characters.list[self.charid].base_stats.move
+  local gridsize = game.characters.list[self.charid].move
   if (gridsize == nil) then
     gridsize = 3
     core.debug:warning("cbs/character", "move value is nil")