[FL-1968] Pin code locking (#788)

* Gui: code input module
* Gui: fix size to fit frame
* Desktop: PIN config and lock option
* Gui: code input: cleanup, offset input fields if no header present
* Desktop: move code unlock to desktop_locked scene
* Desktop: fix unlock with back key
* Desktop: bump settings version
* Desktop: correct scene usage.

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

applications/desktop/views/desktop_main.h

@@ -7,12 +7,12 @@
 #include <furi.h>
 
 typedef enum {
-    DesktopMainEventOpenMenu,
     DesktopMainEventOpenLockMenu,
-    DesktopMainEventOpenDebug,
-    DesktopMainEventUnlocked,
     DesktopMainEventOpenArchive,
     DesktopMainEventOpenFavorite,
+    DesktopMainEventOpenMenu,
+    DesktopMainEventOpenDebug,
+    DesktopMainEventUnlocked,
 } DesktopMainEvent;
 
 typedef struct DesktopMainView DesktopMainView;
@@ -37,9 +37,8 @@ void desktop_main_set_callback(
     void* context);
 
 View* desktop_main_get_view(DesktopMainView* main_view);
-
 DesktopMainView* desktop_main_alloc();
-
 void desktop_main_free(DesktopMainView* main_view);
-
 void desktop_main_switch_dolphin_animation(DesktopMainView* main_view);
+void desktop_main_unlocked(DesktopMainView* main_view);
+void desktop_main_reset_hint(DesktopMainView* main_view);