Freeze parameters for adapter

[tungts1101]

For the Adapter method, the parameter is named adaptmlp (line 159 ~ 163 in vit_adapter.py), so in MOS the condition should be

for n, p in self._network.backbone.named_parameters():
       if 'adapt' not in n and 'head' not in n: # adapt not adapter
             p.requires_grad = False