furi_check - a new way to asserting (#204)

* hal-related task_is_isr_context function
* furi_check implementation
* change application to use furi_check
* add second level of assertion
* add TODO about ISR context
* Applications: refactor furi_check and furi_assert.
* Apploader: propwer widget usage. Menu: check on furi resource request.
* refactor furi_check

Co-authored-by: Aleksandr Kutuzov <aku@plooks.com>
Co-authored-by: coreglitch <mail@s3f.ru>

firmware/targets/local/api-hal/api-hal-task.c

@@ -0,0 +1,5 @@
+#include "api-hal-task.h"
+
+bool task_is_isr_context(void) {
+    return false;
+}

firmware/targets/local/api-hal/api-hal-task.h

@@ -0,0 +1,5 @@
+#pragma once
+#include "main.h"
+#include <stdbool.h>
+
+bool task_is_isr_context(void);