[FL-1061] iButton save and load from sd card (#394)

* SD App: fix queue adresses
* sd-filesystem: fix making path on file select event
* ibutton: add key reading from sd card
* ibutton: save ibutton key to sd card
* ibutton: add deleting keys from sd card
* ibutton: remove KeyStore from application
* ibutton: make directory if necessary on key save

Co-authored-by: DrZlo13 <who.just.the.doctor@gmail.com>
Co-authored-by: あく <alleteam@gmail.com>

applications/ibutton/ibutton-app.h

@@ -12,7 +12,6 @@
 #include "scene/ibutton-scene-readed-key-menu.h"
 #include "scene/ibutton-scene-write.h"
 #include "scene/ibutton-scene-write-success.h"
-#include "scene/ibutton-scene-saved.h"
 #include "scene/ibutton-scene-saved-key-menu.h"
 #include "scene/ibutton-scene-delete-confirm.h"
 #include "scene/ibutton-scene-delete-success.h"
@@ -23,9 +22,11 @@
 #include "scene/ibutton-scene-add-type.h"
 #include "scene/ibutton-scene-add-value.h"
 
-#include "helpers/key-store.h"
 #include "helpers/key-worker.h"
 
+#include <sd-card-api.h>
+#include <filesystem-api.h>
+
 #include "one_wire_master.h"
 #include "maxim_crc.h"
 #include "ibutton-key.h"
@@ -48,7 +49,6 @@ public:
         SceneWrite,
         SceneWriteSuccess,
         SceneEmulate,
-        SceneSavedList,
         SceneSavedKeyMenu,
         SceneDeleteConfirm,
         SceneDeleteSuccess,
@@ -88,9 +88,10 @@ public:
     char* get_text_store();
     uint8_t get_text_store_size();
 
-    KeyStore* get_key_store();
-    uint8_t get_stored_key_index();
-    void set_stored_key_index(uint8_t index);
+    SdCard_Api* get_sd_ex_api();
+    FS_Api* get_fs_api();
+    char* get_file_name();
+    uint8_t get_file_name_size();
 
     void generate_random_name(char* name, uint8_t max_name_size);
 
@@ -109,7 +110,6 @@ private:
         {Scene::SceneWrite, new iButtonSceneWrite()},
         {Scene::SceneWriteSuccess, new iButtonSceneWriteSuccess()},
         {Scene::SceneEmulate, new iButtonSceneEmulate()},
-        {Scene::SceneSavedList, new iButtonSceneSavedList()},
         {Scene::SceneSavedKeyMenu, new iButtonSceneSavedKeyMenu()},
         {Scene::SceneDeleteConfirm, new iButtonSceneDeleteConfirm()},
         {Scene::SceneDeleteSuccess, new iButtonSceneDeleteSuccess()},
@@ -123,12 +123,14 @@ private:
     KeyWorker* key_worker;
 
     iButtonKey key;
-    uint8_t key_index = 0;
+
+    SdCard_Api* sd_ex_api;
+    FS_Api* fs_api;
+    static const uint8_t file_name_size = 100;
+    char file_name[file_name_size];
 
     static const uint8_t text_store_size = 128;
     char text_store[text_store_size + 1];
 
-    KeyStore store;
-
     void notify_init();
 };