fix(middleware): ollama qwen think (#8026)

refactor(AiProvider): comment out unnecessary middleware removal for performance optimization

- Commented out the removal of ThinkingTagExtractionMiddlewareName to prevent potential performance degradation while maintaining existing functionality.
- Retained the removal of ThinkChunkMiddlewareName as part of the existing logic for non-reasoning scenarios.

src/renderer/src/aiCore/index.ts

@@ -75,7 +75,8 @@ export default class AiProvider {
     } else {
       // Existing logic for other models
       if (!params.enableReasoning) {
-        builder.remove(ThinkingTagExtractionMiddlewareName)
+        // 这里注释掉不会影响正常的关闭思考,可忽略不计的性能下降
+        // builder.remove(ThinkingTagExtractionMiddlewareName)
         builder.remove(ThinkChunkMiddlewareName)
       }
       // 注意：用client判断会导致typescript类型收窄