Texture refactor

-Texture renamed to Texture2D
-TextureLayered as base now inherits 2Darray, cubemap and cubemap array
-Removed all references to flags in textures (they will go in the shader)
-Texture3D gone for now (will come back later done properly)
-Create base rasterizer for RenderDevice, RasterizerRD

editor/plugins/polygon_2d_editor_plugin.cpp

@@ -980,7 +980,7 @@ void Polygon2DEditor::_uv_draw() {
 	if (!uv_edit->is_visible() || !_get_node())
 		return;
 
-	Ref<Texture> base_tex = node->get_texture();
+	Ref<Texture2D> base_tex = node->get_texture();
 	if (base_tex.is_null())
 		return;
 
@@ -1050,7 +1050,7 @@ void Polygon2DEditor::_uv_draw() {
 	}
 
 	// All UV points are sharp, so use the sharp handle icon
-	Ref<Texture> handle = get_icon("EditorPathSharpHandle", "EditorIcons");
+	Ref<Texture2D> handle = get_icon("EditorPathSharpHandle", "EditorIcons");
 
 	Color poly_line_color = Color(0.9, 0.5, 0.5);
 	if (polygons.size() || polygon_create.size()) {