[FL-2499] Folders rename fix (#1190)

* Toolbox: dir_walk concept (like os.walk)
* Storage CLI: tree command
* Storage: fix folders copying, stage 1
* UnitTest: proper delays in subghz tests
* Toolbox: dir_walk, recursive and filter options
* dir_walk: unit tests
* Merge: Fix unused param
* SubGhz: cleaned up data parsing routine
* SubGhz unit test: cleaned up logs, yield data load
* SubGhz unit test: naming

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

lib/toolbox/dir_walk.h

@@ -0,0 +1,79 @@
+#pragma once
+#include <storage/storage.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct DirWalk DirWalk;
+
+typedef enum {
+    DirWalkOK, /**< OK */
+    DirWalkError, /**< Error */
+    DirWalkLast, /**< Last element */
+} DirWalkResult;
+
+typedef bool (*DirWalkFilterCb)(const char* name, FileInfo* fileinfo, void* ctx);
+
+/**
+ * Allocate DirWalk
+ * @param storage 
+ * @return DirWalk* 
+ */
+DirWalk* dir_walk_alloc(Storage* storage);
+
+/**
+ * Free DirWalk
+ * @param dir_walk 
+ */
+void dir_walk_free(DirWalk* dir_walk);
+
+/**
+ * Set recursive mode (true by default)
+ * @param dir_walk 
+ * @param recursive 
+ */
+void dir_walk_set_recursive(DirWalk* dir_walk, bool recursive);
+
+/**
+ * Set filter callback (Should return true if the data is valid)
+ * @param dir_walk 
+ * @param cb 
+ * @param context 
+ */
+void dir_walk_set_filter_cb(DirWalk* dir_walk, DirWalkFilterCb cb, void* context);
+
+/**
+ * Open directory 
+ * @param dir_walk 
+ * @param path 
+ * @return true 
+ * @return false 
+ */
+bool dir_walk_open(DirWalk* dir_walk, const char* path);
+
+/**
+ * Get error id
+ * @param dir_walk 
+ * @return FS_Error 
+ */
+FS_Error dir_walk_get_error(DirWalk* dir_walk);
+
+/**
+ * Read next element from directory
+ * @param dir_walk 
+ * @param return_path 
+ * @param fileinfo 
+ * @return DirWalkResult 
+ */
+DirWalkResult dir_walk_read(DirWalk* dir_walk, string_t return_path, FileInfo* fileinfo);
+
+/**
+ * Close directory
+ * @param dir_walk 
+ */
+void dir_walk_close(DirWalk* dir_walk);
+
+#ifdef __cplusplus
+}
+#endif