Furi: cleanup crash use (#3175)

* Furi: optional message in furi_crash and furi_halt
* Consistent furi_crash use
* UnitTests: crash instead of assert
* furi: check: fixed macro for default arg
* unit_tests: fixed crashes everywhere
* lib: infrared: fixed PVS warnings
* furi: eliminated __FURI_ASSERT_MESSAGE_FLAG
* Furi: update check.h docs
* Furi: add check.h usage note
* Docs: grammar

---------

Co-authored-by: hedger <hedger@nanode.su>

applications/debug/unit_tests/bt/bt_test.c

@@ -28,7 +28,7 @@ void bt_test_alloc() {
 }
 
 void bt_test_free() {
-    furi_assert(bt_test);
+    furi_check(bt_test);
     free(bt_test->nvm_ram_buff_ref);
     free(bt_test->nvm_ram_buff_dut);
     bt_keys_storage_free(bt_test->bt_keys_storage);
@@ -89,7 +89,7 @@ static void bt_test_keys_remove_test_file() {
 }
 
 MU_TEST(bt_test_keys_storage_serial_profile) {
-    furi_assert(bt_test);
+    furi_check(bt_test);
 
     bt_test_keys_remove_test_file();
     bt_test_keys_storage_profile();