feat: add close button to image picker widget for improved user interaction and navigation

packages/core/lib/presentation/widget/image_picker/image_picker_widget.dart

@@ -1,6 +1,7 @@
 import 'dart:io';
 
 import 'package:camera/camera.dart';
+import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:rasadyar_core/core.dart';
 
@@ -49,6 +50,27 @@ class _RImagePickerState extends State<RImagePicker> {
             children: [
               CameraPreview(widget.controller.cameraController!),
 
+              Positioned(
+                top: 50,
+                right: 10,
+                child: GestureDetector(
+                  onTap: () => Get.back(),
+                  child: Container(
+                    width: 40.w,
+                    height: 40.h,
+                    decoration: BoxDecoration(
+                      color: Colors.white.withAlpha(50),
+                      borderRadius: BorderRadius.circular(10.r),
+                    ),
+                    child: Icon(
+                      CupertinoIcons.clear,
+                      color: Colors.white,
+                      size: 20,
+                    ),
+                  ),
+                ),
+              ),
+
               Positioned(
                 bottom: 40,
                 right: 10,