Reorganize tabs

Add Subject Generation as first order

app.py

@@ -88,15 +88,6 @@ Mode = TypedDict(
 )
 
 MODE_DEFAULTS: dict[str, Mode] = {
-    "Subject Generation": {
-        "model": "subject_99000_512",
-        "prompt": "A detailed portrait with soft lighting",
-        "default_strength": 1.2,
-        "default_height": 512,
-        "default_width": 512,
-        "models": ["zendsd_512_146000", "subject_99000_512", "zen_26000_512"],
-        "remove_bg": True,
-    },
     "Background Generation": {
         "model": "bg_canny_58000_1024",
         "prompt": "A vibrant background with dynamic lighting and textures",
@@ -106,6 +97,15 @@ MODE_DEFAULTS: dict[str, Mode] = {
         "models": ["bgwlight_15000_1024", "bg_canny_58000_1024", "gen_back_7000_1024"],
         "remove_bg": True,
     },
+    "Subject Generation": {
+        "model": "subject_99000_512",
+        "prompt": "A detailed portrait with soft lighting",
+        "default_strength": 1.2,
+        "default_height": 512,
+        "default_width": 512,
+        "models": ["zendsd_512_146000", "subject_99000_512", "zen_26000_512"],
+        "remove_bg": True,
+    },
     "Canny": {
         "model": "canny_21000_1024",
         "prompt": "A futuristic cityscape with neon lights",