fix(Feeds): 调整鸡蛋属性和品质数值

将鸡蛋的fieldValues从[0.4, 12.0]调整为[0.25, 15.0]，同时将品质从2提升到3，以平衡游戏内经济系统

components/Feeds/Egg.tscn

@@ -9,7 +9,7 @@ displayName = "鸡蛋"
 quality = 3
 topic = 3
 fields = Array[int]([3, 7])
-fieldValues = Array[float]([0.4, 12.0])
+fieldValues = Array[float]([0.25, 15.0])
 costs = Array[int]([0, 1])
 costCounts = Array[int]([400, 250])
 
@@ -18,5 +18,5 @@ texture = ExtResource("2_4crt5")
 
 [node name="name" parent="container/info" index="1"]
 displayName = "鸡蛋"
-quality = 2
+quality = 3
 topic = 3