SubGhz: Unit_test and bugfixes (#1104)

* SubGhz: CLI add "subghz decode_raw"
* SubGhz: unit_test
* SubGhz: add Hormann_hsm_raw unit_test
* SubGhz: fix duration raw
* Unit_test: fix total test timer
* SubGHz: fix name display scher_khan
* SubGhz: fix deviation protocol kia
* SubGhz: return max name length to previous value
* FuriHal: correctly handle mute in speaker
* UnitTests: fix grammar in subghz

Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>

applications/unit_tests/minunit_vars.h

@@ -0,0 +1,15 @@
+#pragma once
+#include "minunit.h"
+
+/*  Misc. counters */
+int minunit_run = 0;
+int minunit_assert = 0;
+int minunit_fail = 0;
+int minunit_status = 0;
+
+/*  Timers */
+double minunit_real_timer = 0;
+double minunit_proc_timer = 0;
+
+/*  Last message */
+char minunit_last_message[MINUNIT_MESSAGE_LEN];