Config: Fetch the correct dict for draft_model and lora

Fixed fetching from the merged config instead of the sub-config

Signed-off-by: kingbri <bdashore3@proton.me>

common/tabby_config.py

@@ -30,8 +30,8 @@ def load(self, arguments: Optional[dict] = None):
         self.network = unwrap(merged_config.get("network"), {})
         self.logging = unwrap(merged_config.get("logging"), {})
         self.model = unwrap(merged_config.get("model"), {})
-        self.draft_model = unwrap(merged_config.get("draft"), {})
-        self.lora = unwrap(merged_config.get("draft"), {})
+        self.draft_model = unwrap(self.model.get("draft"), {})
+        self.lora = unwrap(self.model.get("lora"), {})
         self.sampling = unwrap(merged_config.get("sampling"), {})
         self.developer = unwrap(merged_config.get("developer"), {})
         self.embeddings = unwrap(merged_config.get("embeddings"), {})