Fix deprecated windowrulev2 -> windowrule

Hyprland deprecated windowrulev2, now uses windowrule.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: danupsher

configs/hypr/hyprland.conf

@@ -141,21 +141,21 @@ plugin {
 }
 
 # Window rules
-windowrulev2 = float,class:^(pavucontrol)$
-windowrulev2 = float,class:^(blueman-manager)$
-windowrulev2 = float,class:^(nm-connection-editor)$
-windowrulev2 = float,title:^(Picture-in-Picture)$
+windowrule = float,class:^(pavucontrol)$
+windowrule = float,class:^(blueman-manager)$
+windowrule = float,class:^(nm-connection-editor)$
+windowrule = float,title:^(Picture-in-Picture)$
 
 # Volume slider popup - no decorations
-windowrulev2 = float,class:^(com.jumpdev.volumeslider)$
-windowrulev2 = noanim,class:^(com.jumpdev.volumeslider)$
-windowrulev2 = noborder,class:^(com.jumpdev.volumeslider)$
-windowrulev2 = noshadow,class:^(com.jumpdev.volumeslider)$
-windowrulev2 = plugin:hyprbars:nobar,class:^(com.jumpdev.volumeslider)$
+windowrule = float,class:^(com.jumpdev.volumeslider)$
+windowrule = noanim,class:^(com.jumpdev.volumeslider)$
+windowrule = noborder,class:^(com.jumpdev.volumeslider)$
+windowrule = noshadow,class:^(com.jumpdev.volumeslider)$
+windowrule = plugin:hyprbars:nobar,class:^(com.jumpdev.volumeslider)$
 
 # Force XWayland for problematic Electron apps (more stable)
-windowrulev2 = float,class:^(discord)$
-windowrulev2 = size 1200 800,class:^(discord)$
+windowrule = float,class:^(discord)$
+windowrule = size 1200 800,class:^(discord)$
 
 # Key bindings
 $mainMod = SUPER