Revert debug_browser back to debug, not stderr

Author: ayjayt

src/py/kaleido/__init__.py

@@ -50,7 +50,7 @@ def check_error(res):
             raise RuntimeError(str(res))
 
     async with (
-            Browser(headless=True, debug=debug, debug_browser=sys.stderr) as browser,
+            Browser(headless=True, debug=debug, debug_browser=debug) as browser,
             atimeout.timeout(timeout)):
         async def print_all(r):
             print(f"All subscription: {r}", file=sys.stderr)