[lance] do not relace oss scheme to s3 scheme in LanceUtils and keep origin oss config

Author: xiaohongbo

paimon-lance/src/main/java/org/apache/paimon/format/lance/LanceUtils.java

@@ -98,7 +98,6 @@ public static Pair<Path, Map<String, String>> toLanceSpecified(FileIO fileIO, Pa
             originOptions = new Options();
         }
 
-        Path converted = path;
         Map<String, String> storageOptions = new HashMap<>();
         if ("oss".equals(schema)) {
             assert originOptions.containsKey("fs.oss.endpoint");
@@ -127,9 +126,8 @@ public static Pair<Path, Map<String, String>> toLanceSpecified(FileIO fileIO, Pa
             if (originOptions.containsKey("fs.oss.endpoint")) {
                 storageOptions.put("oss_endpoint", originOptions.get("fs.oss.endpoint"));
             }
-            converted = new Path(uri.toString().replace("oss://", "s3://"));
         }
 
-        return Pair.of(converted, storageOptions);
+        return Pair.of(path, storageOptions);
     }
 }

paimon-lance/src/test/java/org/apache/paimon/format/lance/LanceUtilsTest.java

@@ -70,7 +70,8 @@ void testOssUrlConversion() {
 
         Pair<Path, Map<String, String>> result = LanceUtils.toLanceSpecified(fileIO, path);
 
-        assertTrue(result.getKey().toString().startsWith("s3://test-bucket/"));
+        // Keep oss:// scheme (same as Python implementation)
+        assertTrue(result.getKey().toString().startsWith("oss://test-bucket/"));
 
         Map<String, String> storageOptions = result.getValue();
         assertEquals(