Fix holes appearing in coloured turtles

There was a very small gap between the turtle frame and the top of the
turtle body. This increases the height of the body by one pixel, adding
a little bit of overlap and ensuring the frame renders on top fixes
this issue.

src/main/resources/assets/computercraft/models/block/turtle_white.json

@@ -4,29 +4,6 @@
         "texture": "computercraft:blocks/turtle_white"
     },
     "elements": [
-        {
-            "from": [ 2, 2, 2 ],
-            "to": [ 14, 14, 13 ],
-            "faces": {
-                "down":  { "uv": [ 2.75, 0, 5.75, 2.75 ], "texture": "#texture" },
-                "up":    { "uv": [ 5.75, 0, 8.75, 2.75 ], "texture": "#texture" },
-                "north": { "uv": [ 8.5, 5.75, 11.5, 2.75 ], "texture": "#texture" },
-                "south": { "uv": [ 2.75, 5.75, 5.75, 2.75 ], "texture": "#texture" },
-                "west":  { "uv": [ 0, 5.75, 2.75, 2.75 ], "texture": "#texture" },
-                "east":  { "uv": [ 5.75, 5.75, 8.5, 2.75 ], "texture": "#texture" }
-            }
-        },
-        {
-            "from": [ 3, 6, 13 ],
-            "to": [ 13, 13, 15 ],
-            "faces": {
-                "down":  { "uv": [ 9.25, 0, 11.75, 0.5 ], "texture": "#texture" },
-                "up":    { "uv": [ 11.75, 0, 14.25, 0.5 ], "texture": "#texture" },
-                "south": { "uv": [ 9.25, 2.25, 11.75, 0.5  ], "texture": "#texture" },
-                "west":  { "uv": [ 8.75, 2.25, 9.25, 0.5 ], "texture": "#texture" },
-                "east":  { "uv": [ 11.75, 2.25, 12.25, 0.5 ], "texture": "#texture" }
-            }
-        },
         {
             "from": [ 2, 2, 2 ],
             "to": [ 14, 14, 13 ],
@@ -49,6 +26,29 @@
                 "west":  { "uv": [ 8.75, 8, 9.25, 6.25 ], "texture": "#texture", "tintindex":0 },
                 "east":  { "uv": [ 11.75, 8, 12.25, 6.25 ], "texture": "#texture", "tintindex":0 }
             }
+        },
+        {
+            "from": [ 2, 2, 2 ],
+            "to": [ 14, 14, 13 ],
+            "faces": {
+                "down":  { "uv": [ 2.75, 0, 5.75, 2.75 ], "texture": "#texture" },
+                "up":    { "uv": [ 5.75, 0, 8.75, 2.75 ], "texture": "#texture" },
+                "north": { "uv": [ 8.5, 5.75, 11.5, 2.75 ], "texture": "#texture" },
+                "south": { "uv": [ 2.75, 5.75, 5.75, 2.75 ], "texture": "#texture" },
+                "west":  { "uv": [ 0, 5.75, 2.75, 2.75 ], "texture": "#texture" },
+                "east":  { "uv": [ 5.75, 5.75, 8.5, 2.75 ], "texture": "#texture" }
+            }
+        },
+        {
+            "from": [ 3, 6, 13 ],
+            "to": [ 13, 13, 15 ],
+            "faces": {
+                "down":  { "uv": [ 9.25, 0, 11.75, 0.5 ], "texture": "#texture" },
+                "up":    { "uv": [ 11.75, 0, 14.25, 0.5 ], "texture": "#texture" },
+                "south": { "uv": [ 9.25, 2.25, 11.75, 0.5  ], "texture": "#texture" },
+                "west":  { "uv": [ 8.75, 2.25, 9.25, 0.5 ], "texture": "#texture" },
+                "east":  { "uv": [ 11.75, 2.25, 12.25, 0.5 ], "texture": "#texture" }
+            }
         }
     ]
 }