Update projects to Godot 3.3

3d/material_testers/material_tester.tscn

@@ -415,6 +415,7 @@ margin_top = -44.0
 margin_bottom = -30.0
 size_flags_vertical = 0
 align = 1
+
 [connection signal="item_selected" from="UI/Background" to="." method="_on_bg_item_selected"]
 [connection signal="pressed" from="UI/Previous" to="." method="_on_Previous_pressed"]
 [connection signal="pressed" from="UI/Next" to="." method="_on_Next_pressed"]

3d/material_testers/models/test_bed/test_bed.glb.import

@@ -16,6 +16,7 @@ nodes/root_name="Scene Root"
 nodes/root_scale=1.0
 nodes/custom_script=""
 nodes/storage=0
+nodes/use_legacy_names=false
 materials/location=1
 materials/storage=2
 materials/keep_on_reimport=true

3d/material_testers/project.godot

@@ -8,11 +8,6 @@
 
 config_version=4
 
-_global_script_classes=[  ]
-_global_script_class_icons={
-
-}
-
 [application]
 
 config/name="Material Testers"