Added -Wundef to compiler options (#3815)

* fbt: added -Wundef to compiler options; libs: various small fixes for missing defines; desktop: proper access to current RTOS config
* apps: fixes for FURI_DEBUG handling
* rpc: unified definition checks
* Cleanup various defines use
* Cleanup configs and move SVCall ISR priority configuration to furi_hal_interrupts

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

applications/services/desktop/views/desktop_view_locked.c

@@ -1,12 +1,11 @@
-#include <projdefs.h>
-#include <stdint.h>
 #include <furi.h>
+
 #include <gui/elements.h>
 #include <gui/icon.h>
 #include <gui/view.h>
+
 #include <assets_icons.h>
 
-#include <desktop/desktop_settings.h>
 #include "../desktop_i.h"
 #include "desktop_view_locked.h"
 

applications/services/desktop/views/desktop_view_pin_timeout.c

@@ -1,9 +1,5 @@
-
 #include <furi.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <projdefs.h>
-#include <input/input.h>
+
 #include <gui/canvas.h>
 #include <gui/view.h>