fix Table items creation with insert results in None id

Author: mjaniszewski

image_app_simple/main.py

@@ -58,7 +58,7 @@ def static(fname:str, ext:str): return FileResponse(f'{fname}.{ext}')
 def post(prompt:str):
     folder = f"data/gens/{str(uuid.uuid4())}"
     os.makedirs(folder, exist_ok=True)
-    g = gens.insert(Generation(prompt=prompt, folder=folder))
+    g = gens.insert(Generation(prompt=prompt, id=f"{gens.count}", folder=folder))
     generate_and_save(g.prompt, g.id, g.folder)
     clear_input =  Input(id="new-prompt", name="prompt", placeholder="Enter a prompt", hx_swap_oob='true')
     return generation_preview(g), clear_input