Add error handling and new API methods for farm assistant features

- Introduced error messages in Persian for image analysis and chat functionalities in FarmAiAssistantChat and PlantPestDetection components.
- Implemented a new postFormData method in ApiClient for handling file uploads.
- Enhanced SmartFertilizationRecommendation and SmartIrrigationRecommendation components to fetch configuration data from the API, improving user experience with loading states and error handling.
- Refactored components to utilize updated API services for better data management and responsiveness.

messages/fa.json

@@ -687,6 +687,7 @@
     },
     "analyze": "تحلیل",
     "analyzing": "در حال تحلیل...",
+    "analyzeError": "خطا در تحلیل تصویر. دوباره تلاش کنید.",
     "reset": "بازنشانی",
     "resultTitle": "نتیجه تشخیص",
     "resultCard": {
@@ -732,6 +733,10 @@
       "amount": "مقدار",
       "timing": "زمان‌بندی",
       "whyThis": "چرا این توصیه؟"
+    },
+    "errors": {
+      "contextLoad": "بارگذاری زمینه مزرعه ناموفق بود.",
+      "chatSend": "ارسال پیام ناموفق بود. دوباره تلاش کنید."
     }
   }
 }