suggest bool() for wrong values (#3975)

reflex/components/component.py

@@ -448,8 +448,16 @@ def __init__(self, *args, **kwargs):
  and not types._issubclass(passed_type, expected_type, value)
  ):
  value_name = value._js_expr if isinstance(value, Var) else value
+
+ additional_info = (
+ " You can call `.bool()` on the value to convert it to a boolean."
+ if expected_type is bool and isinstance(value, Var)
+ else ""
+ )
+
  raise TypeError(
  f"Invalid var passed for prop {type(self).__name__}.{key}, expected type {expected_type}, got value {value_name} of type {passed_type}."
+ + additional_info
  )
  # Check if the key is an event trigger.
  if key in component_specific_triggers: