Fix issue with buildable tiles

Enabling "use_texture_padding" causes buildable tiles to render as
\ upright squares instead of rhombuses (isometric projection)
Therefore, disabled this option
This issue happens only in the exported windows build, not when
\ running the game in godot editor.

resources/tilesets/buildable_area_tiles.tres

@@ -5,6 +5,7 @@
 [sub_resource type="TileSetAtlasSource" id="TileSetAtlasSource_cnco2"]
 texture = ExtResource("1_xb6dd")
 texture_region_size = Vector2i(256, 512)
+use_texture_padding = false
 3:0/0 = 0
 3:0/0/texture_origin = Vector2i(0, 192)