Incorrect arguments to SHAWrapFedex init method

It seems like the ```SHAWrapFedex``` missed to take ```client_cfgs```. Please check.

The Line https://github.com/alibaba/FederatedScope/blob/7f0af2d7aa1537b1a033f4817fbdb62b44e10ac6/federatedscope/autotune/algos.py#L65

```py
elif init_cfg.hpo.scheduler.startswith('wrap', client_cfgs):
scheduler = SHAWrapFedex(init_cfg)
```

perhaps to be changed to

```py
elif init_cfg.hpo.scheduler.startswith('wrap'):
scheduler = SHAWrapFedex(init_cfg, client_cfgs)
```

Start in federatedscope/autotune/algos.py at the scheduler-selection code around line 65, then inspect the SHAWrapFedex initializer and its callers. Confirm how client_cfgs should be passed and verify that the wrap scheduler branch accepts the intended arguments without changing other scheduler behavior.

Written by the indexing model from the issue text.