[FL-2491] File browser GUI module (#1237)

* File browser module and test app
* nfc: Add support for saved files in subdirectories
* nfc: Use helper function to get shadow path when loading data
* File browser dialog integration pt.1
* File browser dialog integration pt.2
* Gui,Dialogs: drop file select
* Correct use of dynamic string_t(string_ptr)

Co-authored-by: Yukai Li <yukaili.geek@gmail.com>
Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>

lib/one_wire/ibutton/ibutton_key.c

@@ -4,7 +4,6 @@
 
 struct iButtonKey {
     uint8_t data[IBUTTON_KEY_DATA_SIZE];
-    char name[IBUTTON_KEY_NAME_SIZE];
     iButtonKeyType type;
 };
 
@@ -42,14 +41,6 @@ uint8_t ibutton_key_get_data_size(iButtonKey* key) {
     return ibutton_key_get_size_by_type(key->type);
 }
 
-void ibutton_key_set_name(iButtonKey* key, const char* name) {
-    strlcpy(key->name, name, IBUTTON_KEY_NAME_SIZE);
-}
-
-const char* ibutton_key_get_name_p(iButtonKey* key) {
-    return key->name;
-}
-
 void ibutton_key_set_type(iButtonKey* key, iButtonKeyType key_type) {
     key->type = key_type;
 }

lib/one_wire/ibutton/ibutton_key.h

@@ -68,20 +68,6 @@ const uint8_t* ibutton_key_get_data_p(iButtonKey* key);
  */
 uint8_t ibutton_key_get_data_size(iButtonKey* key);
 
-/**
- * Set key name
- * @param key 
- * @param name 
- */
-void ibutton_key_set_name(iButtonKey* key, const char* name);
-
-/**
- * Get pointer to key name
- * @param key 
- * @return const char* 
- */
-const char* ibutton_key_get_name_p(iButtonKey* key);
-
 /**
  * Set key type
  * @param key 

lib/toolbox/path.c

@@ -19,6 +19,20 @@ void path_extract_filename_no_ext(const char* path, string_t filename) {
     string_mid(filename, start_position, end_position - start_position);
 }
 
+void path_extract_filename(string_t path, string_t name, bool trim_ext) {
+    size_t filename_start = string_search_rchar(path, '/');
+    if(filename_start > 0) {
+        filename_start++;
+        string_set_n(name, path, filename_start, string_size(path) - filename_start);
+    }
+    if(trim_ext) {
+        size_t dot = string_search_rchar(name, '.');
+        if(dot > 0) {
+            string_left(name, dot);
+        }
+    }
+}
+
 static inline void path_cleanup(string_t path) {
     string_strim(path);
     while(string_end_with_str_p(path, "/")) {

lib/toolbox/path.h

@@ -14,6 +14,15 @@ extern "C" {
  */
 void path_extract_filename_no_ext(const char* path, string_t filename);
 
+/**
+ * @brief Extract filename string from path.
+ * 
+ * @param path path string
+ * @param filename output filename string. Must be initialized before.
+ * @param trim_ext true - get filename without extension
+ */
+void path_extract_filename(string_t path, string_t filename, bool trim_ext);
+
 /**
  * @brief Extract last path component
  *