reset prompt template idx

Author: LostRuins

otherarch/sdcpp/conditioner.hpp

@@ -1459,6 +1459,7 @@ struct Qwen2_5_VLCLIPEmbedder : public Conditioner {
         std::string prompt;
         std::vector<std::pair<int, ggml_tensor*>> image_embeds;
         size_t system_prompt_length = 0;
+        prompt_template_encode_start_idx = 34;
         if (qwenvl->enable_vision && conditioner_params.ref_images.size() > 0) {
             LOG_INFO("QwenImageEditPlusPipeline");
             prompt_template_encode_start_idx = 64;