Revert temp API-open used for smoke test

temp: open API for smoke test (will revert)

Add torchvision back, drop no-op pip install -e

Blackwell ZeroGPU fix: unpin torch, bump gradio sdk, move spaces import

Update app.py

Update app.py

Update app.py

Update app.py

Update app.py

Update app.py

Update app.py

Update app.py

Update app.py

Update app.py

Upload 14 files

Duplicate from gradio-templates/text-to-image-gradio-template