[ty] Preserve property getter call errors (#27509)
## Summary
Previously, a failed property getter call was flattened into
`call-non-callable: calling the getter failed`, and its declared return
type was discarded:
```python
class Example:
@property
def value(self) -> int:
return 1
reveal_type(Example.value.__get__("wrong", Example))
# error: [invalid-argument-type] Expected `Example`, found `Literal["wrong"]`
# revealed: int
```
We now preserve the getter's original call bindings and recovery type,
reusing the structured accessor-error handling already used for property
setters. This applies to both bound `prop.__get__(instance, owner)` and
unbound `property.__get__(prop, instance, owner)` calls, with
diagnostics attached to the actual instance argument.
