fix(fetch): gate explode default on style === 'form' (#3231)

Signed-off-by: zeriong <jaeryong95@gmail.com>

Author: zeriong

packages/fetch/src/index.ts

@@ -120,9 +120,12 @@ export const generateRequestFunction = (
           | undefined) ?? []
       ).some((s) => resolveSchemaRef(s, context).schema.type === 'array');
 
+    const style = parameterObject.style ?? 'form';
+
     return (
       parameterObject.in === 'query' &&
       isArrayLike &&
+      style === 'form' &&
       (parameterObject.explode ?? true)
     );
   });