Extractor: Fixed Sunflower and added Wither Rose. Thanks to Ayutac

Sunflower gives 2 dyes normally in-game and the extractor usually doubles the amount, so sunflower giving 2 dyes in Extractor was a bug. Also added dye from Wither Rose (gives 1 dye normally, so here 2).

src/main/resources/data/techreborn/recipes/extractor/black_dye_from_wither_rose.json

@@ -0,0 +1,16 @@
+{
+  "type": "techreborn:extractor",
+  "power": 10,
+  "time": 300,
+  "ingredients": [
+    {
+      "item": "minecraft:wither_rose"
+    }
+  ],
+  "results": [
+    {
+      "item": "minecraft:black_dye",
+      "count": 2
+    }
+  ]
+}

src/main/resources/data/techreborn/recipes/extractor/yellow_dye_from_sunflower.json

@@ -10,7 +10,7 @@
   "results": [
     {
       "item": "minecraft:yellow_dye",
-      "count": 2
+      "count": 4
     }
   ]
 }