fix(system): finalize VM stabilization and fix Hyprland syntax

- Restore custom SDDM theme.
- Clean up all remaining Hyprland windowrulev2 and layerrule syntax errors.
- Optimize VM configurations with 4GB RAM and virtio-vga graphics for stability.
- Remove diagnostic debug services and autologin debug settings.
- Ensure correct session autologin to hyprland-uwsm.

config/nomarchy/default/hypr/apps/retroarch.conf

@@ -1,4 +1,4 @@
 windowrulev2 = fullscreen, class:com.libretro.RetroArch
 windowrulev2 = tag -default-opacity, class:com.libretro.RetroArch
 windowrulev2 = opacity 1 1, class:com.libretro.RetroArch
-windowrulev2 = idleinhibit fullscreen, class:com.libretro.RetroArch
+windowrulev2 = idleinhibit, fullscreen, class:com.libretro.RetroArch

config/nomarchy/default/hypr/apps/steam.conf

@@ -5,4 +5,4 @@ windowrulev2 = tag -default-opacity, class:steam.*
 windowrulev2 = opacity 1 1, class:steam.*
 windowrulev2 = size 1100 700, class:steam, title:Steam
 windowrulev2 = size 460 800, class:steam, title:Friends List
-windowrulev2 = idleinhibit fullscreen, class:steam
+windowrulev2 = idleinhibit, fullscreen, class:steam

config/nomarchy/default/hypr/apps/system.conf

@@ -20,4 +20,4 @@ windowrulev2 = opacity 1 1, class:^(zoom|vlc|mpv|org.kde.kdenlive|com.obsproject
 windowrulev2 = rounding 8, tag:pop
 
 # Prevent idle while open
-windowrulev2 = idleinhibit always, tag:noidle
+windowrulev2 = idleinhibit, always, tag:noidle

config/nomarchy/default/hypr/windows.conf

@@ -1,6 +1,6 @@
 # See https://wiki.hyprland.org/Configuring/Window-Rules/ for more
 # Hyprland 0.53+ syntax
-windowrulev2 = suppress_event maximize, class:.*
+windowrulev2 = suppress_event, maximize, class:.*
 
 # Tag all windows for default opacity (apps can override with -default-opacity tag)
 windowrulev2 = tag +default-opacity, class:.*