More export editor fixes

material_maker/windows/material_editor/export_editor.gd

@@ -155,6 +155,7 @@ func _on_Save_Export_pressed():
 	if files.size() > 0:
 		var export_name : String = export_target.get_item_text(export_target.selected)
 		var export_data : Dictionary = exports[export_name].duplicate()
+		export_data.name = export_name
 		if data.has("template_name"):
 			export_data.material = data.template_name
 		var file : File = File.new()

material_maker/windows/material_editor/expression_line_edit.gd

@@ -13,4 +13,4 @@ func _on_Button_pressed():
 
 func set_value_from_expression_editor(v : String):
 	text = v
-	emit_signal("text_entered")
+	emit_signal("text_entered", v)