[FL-2747, FL-2745] Browser worker fix, Device Info screen update #1620

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

applications/gui/modules/file_browser_worker.c

@@ -99,6 +99,11 @@ static bool browser_folder_check_and_switch(string_t path) {
     FileInfo file_info;
     Storage* storage = furi_record_open(RECORD_STORAGE);
     bool is_root = false;
+
+    if(string_search_rchar(path, '/') == 0) {
+        is_root = true;
+    }
+
     while(1) {
         // Check if folder is existing and navigate back if not
         if(storage_common_stat(storage, string_get_cstr(path), &file_info) == FSE_OK) {