SubGhz: loading/saving files from any folder below the parent (#1142)

Co-authored-by: あく <alleteam@gmail.com>

lib/subghz/protocols/raw.h

@@ -113,13 +113,9 @@ void subghz_protocol_raw_file_encoder_worker_set_callback_end(
 /**
  * File generation for RAW work.
  * @param flipper_format Pointer to a FlipperFormat instance
- * @param path File path
- * @param file_name File name
+ * @param file_path File path
  */
-void subghz_protocol_raw_gen_fff_data(
-    FlipperFormat* flipper_format,
-    const char* path,
-    const char* file_name);
+void subghz_protocol_raw_gen_fff_data(FlipperFormat* flipper_format, const char* file_path);
 
 /**
  * Deserialize and generating an upload to send.