Done ticket GEPAFINBE-212 Fixed the filename decode issue for external doc upload API.

src/main/java/net/gepafin/tendermanagement/service/impl/AmazonS3ServiceImpl.java

@@ -217,4 +217,9 @@ public class AmazonS3ServiceImpl implements AmazonS3Service {
        }
 
     }
+
+    public String extractS3KeyFromUrl(String url) {
+
+        return url.replace(s3Url, "");
+    }
 }