Fixed nondeterministic drill item sorting

core/src/io/anuke/mindustry/content/Items.java

@@ -34,6 +34,10 @@ public class Items implements ContentList{
             cost = 1f;
         }};
 
+        sand = new Item("sand", Color.valueOf("f7cba4")){{
+
+        }};
+
         coal = new Item("coal", Color.valueOf("272727")){{
             explosiveness = 0.4f;
             flammability = 1f;
@@ -84,10 +88,6 @@ public class Items implements ContentList{
             flammability = 1.05f;
         }};
 
-        sand = new Item("sand", Color.valueOf("f7cba4")){{
-
-        }};
-
         blastCompound = new Item("blast-compound", Color.valueOf("ff795e")){{
             flammability = 0.4f;
             explosiveness = 1.2f;