Nfc: replace cmsis thread with furi, fix condition race in thread stop routine. (#1003)

* Nfc: replace cmsis thread with furi, fix condition race on thread stop routine.
* Nfc: fix memory leak
* FuriCore, CMSIS: properly handle thread names before scheduler start

lib/FreeRTOS-glue/cmsis_os2.c

@@ -578,8 +578,10 @@ const char *osThreadGetName (osThreadId_t thread_id) {
 
   if ((IRQ_Context() != 0U) || (hTask == NULL)) {
     name = NULL;
-  } else {
+  } else if(osKernelGetState() == osKernelRunning) {
     name = pcTaskGetName (hTask);
+  } else {
+    name = NULL;
   }
 
   /* Return name as null-terminated string */