[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/power/power_settings_app/scenes/power_settings_scene_battery_info.c

@@ -31,4 +31,5 @@ bool power_settings_scene_battery_info_on_event(void* context, SceneManagerEvent
 }
 
 void power_settings_scene_battery_info_on_exit(void* context) {
+    UNUSED(context);
 }

applications/power/power_settings_app/scenes/power_settings_scene_reboot.c

@@ -33,6 +33,7 @@ void power_settings_scene_reboot_on_enter(void* context) {
 }
 
 bool power_settings_scene_reboot_on_event(void* context, SceneManagerEvent event) {
+    UNUSED(context);
     bool consumed = false;
 
     if(event.type == SceneManagerEventTypeCustom) {