Match original Txt2Img layout to Tinchote version: proper run column and direct prompt fields

ui/shared/txt2img_ui.py

@@ -28,13 +28,12 @@ def create_ui():
                 scale=3,
                 allow_custom_value=True,
             )
-            components[f'run_{prefix}'] = gr.Button("Run", variant="primary")
+            with gr.Column(scale=1):
+                components[f'run_{prefix}'] = gr.Button("Run", variant="primary")
         
         # Prompt fields
-        with gr.Row():
-            with gr.Column():
-                components[f'prompt_{prefix}'] = gr.Text(label="Prompt", lines=3)
-                components[f'neg_prompt_{prefix}'] = gr.Text(label="Negative prompt", lines=3)
+        components[f'prompt_{prefix}'] = gr.Text(label="Prompt", lines=3)
+        components[f'neg_prompt_{prefix}'] = gr.Text(label="Negative prompt", lines=3)
         
         # Base parameters and result gallery
         param_defaults = {'w': 1024, 'h': 1024, 'cs_vis': False, 'cs_val': 1}