fix macos entitlements for example & use raw value for sample

@@ -13,6 +13,7 @@ the sample recommends using `hasCameraPermission`, which also guards against cam
 
 Bugs fixed:
 * Fixed a bug that would cause the scanner to emit an error when it was already started. Now it ignores any calls to start while it is starting.
+* [MacOS] Fixed a bug that prevented the `anaylzeImage()` sample from working properly.
 
 ## 5.2.3
 

@@ -22,7 +22,14 @@ class _BarcodeScannerAnalyzeImageState
       final XFile? file =
           await ImagePicker().pickImage(source: ImageSource.gallery);
 
-      if (!mounted || file == null) {
+      if (!mounted) {
+        return;
+      }
+
+      if (file == null) {
+        setState(() {
+          _barcodeCapture = null;
+        });
         return;
       }
 
@@ -43,7 +50,7 @@ class _BarcodeScannerAnalyzeImageState
 
     if (_barcodeCapture != null) {
       label = Text(
-        _barcodeCapture?.barcodes.firstOrNull?.displayValue ??
+        _barcodeCapture?.barcodes.firstOrNull?.rawValue ??
             'No barcode detected',
       );
     }

@@ -10,5 +10,7 @@
 	<true/>
 	<key>com.apple.security.network.server</key>
 	<true/>
+  	<key>com.apple.security.files.user-selected.read-only</key>
+  	<true/>	
 </dict>
 </plist>