Fix issues with skin mode

- Fix "Save Model" trying to save model file
- Fix rotation tool selecting cubes instead of bones

js/io/formats/skin.js

@@ -68,6 +68,8 @@ const codec = new Codec('skin_model', {
 		Project.texture_width = data.texturewidth || 64;
 		Project.texture_height = data.textureheight || 64;
 
+		Formats.skin.rotate_cubes = data.rotate_cubes == true;
+
 		var bones = {}
 		var template_cubes = {};
 
@@ -2343,6 +2345,7 @@ skin_presets.ghast = `{
 }`;
 skin_presets.goat = `{
 	"name": "goat",
+	"rotate_cubes": true,
 	"texturewidth": 64,
 	"textureheight": 64,
 	"bones": [

js/io/io.js

@@ -903,7 +903,7 @@ BARS.defineActions(function() {
 				}
 			} else {
 				saveTextures()
-				if (Format.codec && Format.codec.compile) {
+				if (Format.codec && Format.codec.compile && Format.id != 'skin') {
 					Format.codec.export()
 				}
 			}