feat: load bot_builder from feature flag

Author: anish-work

daras_ai_v2/base.py

@@ -417,7 +417,7 @@ def render(self):
             self._render_header()
 
     def render_sidebar(self):
-        if not self.is_current_user_admin():
+        if not self.current_workspace.features.get("bot_builder", False):
             return
 
         sidebar_ref = use_sidebar("builder-sidebar", self.request.session)