Add comment for theme panel needed for docs (#2508)

* Add comment for theme panel needed for docs

* update pyi

---------

Co-authored-by: Alek Petuskey <alekpetuskey@aleks-mbp.lan>
Co-authored-by: Masen Furer <m_github@0x26.net>

reflex/components/radix/themes/base.py

@@ -201,6 +201,7 @@ class ThemePanel(RadixThemesComponent):
 
     tag = "ThemePanel"
 
+    # Whether the panel is open. Defaults to False.
     default_open: Var[bool]
 
 

reflex/components/radix/themes/base.pyi

@@ -705,6 +705,7 @@ class ThemePanel(RadixThemesComponent):
             *children: Child components.
             color: map to CSS default color property.
             color_scheme: map to radix color property.
+            default_open: Whether the panel is open. Defaults to False.
             style: The style of the component.
             key: A unique key for the component.
             id: The id for the component.