Set root logger level in embedded Python logging config

Adds a line to explicitly set the root logger's level to its effective level in the embedded Python logging configuration. This ensures consistent logging behavior when initializing the logger.

Author: FeodorFitsner

src/serious_python_android/lib/src/cpython.dart

@@ -56,6 +56,7 @@ if not getattr(sys, "__serious_python_logcat_configured__", False):
     handler.setFormatter(logging.Formatter("%(levelname)s %(message)s"))
     root = logging.getLogger()
     root.handlers[:] = [handler]
+    root.setLevel(logging.getLogger().getEffectiveLevel())
 ''';
 
 CPython getCPython(String dynamicLibPath) {