[FL-2849] SubGhz: read RAW auto generation of names (#1772)

* SubGhz: read RAW auto auto generation of names depending on the date of the entry
* SubGhz: name generation modification RAW-YYYYMMDD-HHMMSS
* SubGhz: replace m-string with FuriString

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

applications/main/subghz/scenes/subghz_scene_save_name.c

@@ -13,6 +13,20 @@ void subghz_scene_save_name_text_input_callback(void* context) {
     view_dispatcher_send_custom_event(subghz->view_dispatcher, SubGhzCustomEventSceneSaveName);
 }
 
+void subghz_scene_save_name_get_timefilename(FuriString* name) {
+    FuriHalRtcDateTime datetime = {0};
+    furi_hal_rtc_get_datetime(&datetime);
+    furi_string_printf(
+        name,
+        "RAW-%.4d%.2d%.2d-%.2d%.2d%.2d",
+        datetime.year,
+        datetime.month,
+        datetime.day,
+        datetime.hour,
+        datetime.minute,
+        datetime.second);
+}
+
 void subghz_scene_save_name_on_enter(void* context) {
     SubGhz* subghz = context;
 
@@ -41,9 +55,8 @@ void subghz_scene_save_name_on_enter(void* context) {
             if(scene_manager_get_scene_state(subghz->scene_manager, SubGhzSceneReadRAW) ==
                SubGhzCustomEventManagerSetRAW) {
                 dev_name_empty = true;
-                subghz_get_next_name_file(subghz, SUBGHZ_MAX_LEN_NAME);
+                subghz_scene_save_name_get_timefilename(file_name);
             }
-            path_extract_filename(subghz->file_path, file_name, true);
         }
         furi_string_set(subghz->file_path, dir_name);
     }