[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/unit_tests/subghz/subghz_test.c

@@ -26,6 +26,8 @@ static void subghz_test_rx_callback(
     SubGhzReceiver* receiver,
     SubGhzProtocolDecoderBase* decoder_base,
     void* context) {
+    UNUSED(receiver);
+    UNUSED(context);
     string_t text;
     string_init(text);
     subghz_protocol_decoder_base_get_string(decoder_base, text);