reduce blur threshold

lib/views/widgets/images/multi_image_picker.dart

@@ -336,7 +336,7 @@ class _AttachmentPickerState extends State<AttachmentPicker> with SingleTickerPr
       File fileImage = File(pickedFile.path);
 
       if (checkQuality) {
-        ImageQualityValidator imageQualityValidator = ImageQualityValidator();
+        ImageQualityValidator imageQualityValidator = ImageQualityValidator(config: const QualityConfig(blurThreshold: 70.0));
         final result = await imageQualityValidator.validate(await fileImage.readAsBytes());
 
         if (!result.isValid) {