fix: show upper half of the cursor on characters

Fix #43

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

@@ -66,6 +66,12 @@ end
 
 function Hero:draw()
   self:drawSprite(0, -self.z)
+
+  if (self.isSelected) then
+    local x, y = self.world.map:gridToPixel(self.x, self.y, true)
+    self.assets.images["cursorpeak"]:draw(x - 7, y - 24 - 32)
+  end
+
   self:drawDamageNumber()
 end