Add missing response type to cache response

src/android/src/main/java/com/RNFetchBlob/RNFetchBlobReq.java

            File file = new File(RNFetchBlobFS.getTmpPath(RNFetchBlob.RCTContext, cacheKey) + ext);
 
            if (file.exists()) {
-               callback.invoke(null, file.getAbsolutePath());
+               callback.invoke(null, RNFetchBlobConst.RNFB_RESPONSE_PATH, file.getAbsolutePath());
                return;
            }
        }

src/ios/RNFetchBlobNetwork.m

 
 			destPath = [RNFetchBlobFS getTempPath:cacheKey withExtension:[self.options valueForKey:CONFIG_FILE_EXT]];
             if ([[NSFileManager defaultManager] fileExistsAtPath:destPath]) {
-				callback(@[[NSNull null], destPath]);
+				callback(@[[NSNull null], RESP_TYPE_PATH, destPath]);
                 return;
             }
 		}