fix(model_manager): prevent Z-Image LoRAs from being misclassified as main models#8754

lstein merged 4 commits intoinvoke-ai:maininvoke-ai/InvokeAI:mainfrom

Pfannkuchensack:fix/z-image-lora-detectionPfannkuchensack/InvokeAI:fix/z-image-lora-detectionCopy head branch name to clipboard