Handle null resource for beta15

addons/gdfxr/editor/Editor.gd

@@ -86,7 +86,14 @@ func _notification(what: int):
 				popup.set_item_icon(popup.get_item_index(ExtraOption.PASTE), get_theme_icon("ActionPaste", "EditorIcons"))
 
 
-func edit(path: String) -> void:
+func edit(object: Variant) -> void:
+	if not object:
+		if not _modified:
+			_set_editing_file("")
+		# TODO: prompt?
+		return
+	
+	var path := object.resource_path as String
 	if _modified:
 		_popup_confirm(
 			translator.tr("There are unsaved changes.\nOpen '%s' anyway?") % path,

addons/gdfxr/plugin.gd

@@ -29,7 +29,7 @@ func _handles(object: Variant) -> bool:
 
 
 func _edit(object: Variant):
-	sfxr_editor.edit(object.resource_path) # Should already passed `handles()` checks
+	sfxr_editor.edit(object)
 
 
 func _make_visible(visible: bool):

project.godot

@@ -15,10 +15,6 @@ run/main_scene="res://example/Example.tscn"
 config/features=PackedStringArray("4.0")
 config/icon="res://icon.png"
 
-[editor]
-
-export/convert_text_resources_to_binary=true
-
 [editor_plugins]
 
 enabled=PackedStringArray("res://addons/gdfxr/plugin.cfg")