[FL-2520] FW build with -Wextra (#1185)

* Fixing compiler warnings with -Wextra
* More warnings suppression, WIP
* Even more warning fixes
* Added new lines at end of text files.
* Padding fix
* Additional fixes to warnings on different build configurations; added -Wextra to default build pipeline
* Fixes for Secplus v1
* -additional warnings
* +-Wredundant-decls fixes
* FuriHal: print stack overflow task name in console
* FuriHal: add missing include

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

applications/desktop/desktop_settings/scenes/desktop_settings_scene_pin_disable.c

@@ -53,4 +53,5 @@ bool desktop_settings_scene_pin_disable_on_event(void* context, SceneManagerEven
 }
 
 void desktop_settings_scene_pin_disable_on_exit(void* context) {
+    UNUSED(context);
 }

applications/desktop/desktop_settings/scenes/desktop_settings_scene_pin_error.c

@@ -18,6 +18,7 @@ static void pin_error_back_callback(void* context) {
 }
 
 static void pin_error_done_callback(const PinCode* pin_code, void* context) {
+    UNUSED(pin_code);
     furi_assert(context);
     DesktopSettingsApp* app = context;
     view_dispatcher_send_custom_event(app->view_dispatcher, SCENE_EVENT_EXIT);

applications/desktop/desktop_settings/scenes/desktop_settings_scene_pin_setup_howto.c

@@ -41,4 +41,5 @@ bool desktop_settings_scene_pin_setup_howto_on_event(void* context, SceneManager
 }
 
 void desktop_settings_scene_pin_setup_howto_on_exit(void* context) {
+    UNUSED(context);
 }