Use print instead of stdout for logging on desktops

Writing directly to stdout is sporadically throwing exceptions on
Windows

Author: inetic

lib/app/utils/log.dart

@@ -158,7 +158,7 @@ class _NativePrinter extends LoggyPrinter {
 class _ConsolePrinter extends LoggyPrinter {
   @override
   void onLog(LogRecord record) {
-    stdout.writeln(_formatRecord(record));
+    print(_formatRecord(record));
   }
 }