[FL-3902] NFC app now can launch MFKey32 (#4117)

* feat: app chaining

* add `launch_current_app_after_deferred`, remove `get_referring_application`

* fix naming

* new api

* fix f18

* Added new function which enqueues external app from nfc app

* Added path to MFKey32 app

* Button "Crack nonces in MFKey32" added to ReadMenu scene

* SaveConfirm scene adjusted to move to different scenes depending on state

* SaveSuccess scene now moves to different scenes depending on SaveConfirm scene state

* MfKeyComplete scene shows different text when MFKey.fap present on the device

* Now MfKeyClassic scene can run external app

* fix deferred launches after errors

Co-authored-by: Anna Antonenko <portasynthinca3@gmail.com>
Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>
Co-authored-by: hedger <hedger@nanode.su>

applications/main/nfc/nfc_app_i.h

@@ -35,6 +35,7 @@
 #include "helpers/felica_auth.h"
 #include "helpers/slix_unlock.h"
 
+#include <loader/loader.h>
 #include <dialogs/dialogs.h>
 #include <storage/storage.h>
 #include <toolbox/path.h>
@@ -80,6 +81,8 @@
 #define NFC_APP_MF_CLASSIC_DICT_SYSTEM_NESTED_PATH \
     (NFC_APP_FOLDER "/assets/mf_classic_dict_nested.nfc")
 
+#define NFC_MFKEY32_APP_PATH (EXT_PATH("apps/NFC/mfkey.fap"))
+
 typedef enum {
     NfcRpcStateIdle,
     NfcRpcStateEmulating,
@@ -167,6 +170,11 @@ typedef enum {
     NfcViewDetectReader,
 } NfcView;
 
+typedef enum {
+    NfcSceneSaveConfirmStateDetectReader,
+    NfcSceneSaveConfirmStateCrackNonces,
+} NfcSceneSaveConfirmState;
+
 int32_t nfc_task(void* p);
 
 void nfc_text_store_set(NfcApp* nfc, const char* text, ...);
@@ -202,3 +210,5 @@ bool nfc_save_file(NfcApp* instance, FuriString* path);
 void nfc_make_app_folder(NfcApp* instance);
 
 void nfc_append_filename_string_when_present(NfcApp* instance, FuriString* string);
+
+void nfc_app_run_external(NfcApp* nfc, const char* app_path);