Code cleanup: srand, PVS warnings (#1974)

* Remove srand invocation

* PVS High priority fixes

* PVS High errors part 2

* Furi: heap tracing inheritance

* Furi add __builtin_unreachable to furi_thread_catch

applications/main/lfrfid/lfrfid.c

@@ -32,7 +32,7 @@ static void rpc_command_callback(RpcAppSystemEvent rpc_event, void* context) {
 }
 
 static LfRfid* lfrfid_alloc() {
-    LfRfid* lfrfid = malloc(sizeof(LfRfid));
+    LfRfid* lfrfid = malloc(sizeof(LfRfid)); //-V773
 
     lfrfid->storage = furi_record_open(RECORD_STORAGE);
     lfrfid->dialogs = furi_record_open(RECORD_DIALOGS);