[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>

lib/toolbox/manchester_encoder.c

@@ -51,4 +51,4 @@ bool manchester_encoder_advance(
 ManchesterEncoderResult manchester_encoder_finish(ManchesterEncoderState* state) {
     state->step = 0;
     return (state->prev_bit << 1) + state->prev_bit;
-}
+}