[Bugfix] Fix GLM-4.6V vision regression in glm4v_moe and glm_ocr#20463

Fridge003 merged 2 commits intosgl-project:mainsgl-project/sglang:mainfrom

JustinTong0323:fix/glm4v-moe-ocr-vision-regressionJustinTong0323/sglang:fix/glm4v-moe-ocr-vision-regressionCopy head branch name to clipboard