[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/bt/bt_hid_app/bt_hid.c

@@ -33,10 +33,12 @@ void bt_hid_dialog_callback(DialogExResult result, void* context) {
 }
 
 uint32_t bt_hid_exit_confirm_view(void* context) {
+    UNUSED(context);
     return BtHidViewExitConfirm;
 }
 
 uint32_t bt_hid_exit(void* context) {
+    UNUSED(context);
     return VIEW_NONE;
 }
 
@@ -139,6 +141,7 @@ void bt_hid_app_free(BtHid* app) {
 }
 
 int32_t bt_hid_app(void* p) {
+    UNUSED(p);
     // Switch profile to Hid
     BtHid* app = bt_hid_app_alloc();
     bt_set_status_changed_callback(app->bt, bt_hid_connection_status_changed_callback, app);