🐛 fix:: Update localization files and improve display logic for inventory handling

apps/admin/public/assets/locales/en-US/components.json

@@ -63,5 +63,5 @@
     "system": "System",
     "toggle": "Toggle theme"
   },
-  "unlimited": "unlimited"
+  "unlimited": "Unlimited"
 }

apps/admin/public/assets/locales/en-US/product.json

@@ -30,7 +30,6 @@
     "discountPercent": "Discount Percentage",
     "Hour": "Hour",
     "inventory": "Subscription Limit",
-    "inventoryDescription": "Set to -1 for unlimited inventory",
     "unlimitedInventory": "Unlimited (enter -1)",
     "language": "Language",
     "languageDescription": "Leave empty for default without language restriction",

apps/admin/public/assets/locales/zh-CN/product.json

@@ -30,7 +30,6 @@
     "discountPercent": "折扣百分比",
     "Hour": "小时",
     "inventory": "订阅库存",
-    "inventoryDescription": "设置为 -1 表示不限制库存",
     "unlimitedInventory": "无限制（输入 -1）",
     "language": "语言",
     "languageDescription": "留空为默认无语言限制",