Update sidebar flag (#1265)

* Update sidebar flag

* Fix type hints

Author: giswqs

leafmap/maplibregl.py

@@ -97,8 +97,8 @@ def __init__(
         },
         projection: str = "mercator",
         use_message_queue: bool = None,
-        add_sidebar: bool = False,
-        add_floating_sidebar: bool = True,
+        add_sidebar: Optional[bool] = None,
+        add_floating_sidebar: Optional[bool] = None,
         sidebar_visible: bool = False,
         sidebar_width: int = 360,
         sidebar_args: Optional[Dict] = None,
@@ -260,6 +260,17 @@ def __init__(
                 ]
             )
 
+        if add_sidebar is None and add_floating_sidebar is None:
+            add_sidebar = False
+            add_floating_sidebar = True
+        elif add_sidebar:
+            add_floating_sidebar = False
+        elif add_floating_sidebar:
+            add_sidebar = False
+        else:
+            add_sidebar = False
+            add_floating_sidebar = False
+
         if sidebar_args is None:
             sidebar_args = {}
         if "sidebar_visible" not in sidebar_args: