Narrow the gui player lookups

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

exp_gui/module/data.lua

@@ -61,7 +61,7 @@ local GuiData = {
 --- @field element_data table<uint, table<uint, any>>
 --- @field player_data table<uint, any>
 --- @field force_data table<uint, any>
---- @field global_data table
+--- @field global_data table
 --- @field [DataKey] any
 -- This class has no prototype methods
 -- Same as raw but __index ensures the values exist
@@ -99,7 +99,7 @@ function GuiData._metatable.__index(self, key)
         local data = self._raw.player_data
         return data and data[key.index]
     elseif object_name == "LuaForce" then
-        --- @cast key LuaForce
+        --- @cast key LuaForce
         local data = self._raw.force_data
         return data and data[key.index]
     else
@@ -172,7 +172,7 @@ local function on_object_destroyed(event)
     for _, scope in pairs(registered_scopes) do
         local data = scope._raw.element_data
         local player_elements = data and data[player_index]
-        if player_elements then
+        if data and player_elements then
             player_elements[element_index] = nil
             if not next(player_elements) then
                 data[player_index] = nil