fix(Go-models): preserve model name lookup when aliases exist (#15969)

### What problem does this PR solve?

As title

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)
- [x] Documentation Update

conf/models/gitee.json

@@ -71,6 +71,12 @@
         "ocr"
       ]
     },
+    {
+      "name": "jina-clip-v2",
+      "model_types": [
+        "embedding"
+      ]
+    },
     {
       "name": "HunyuanOCR",
       "model_types": [