[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/infrared/infrared_app_event.h

@@ -36,6 +36,7 @@ public:
     };
 
     union {
+        int32_t dummy;
         /** Menu selected event type payload. Selected index. */
         int32_t menu_index;
         /** DialogEx view module event type payload */