fixes & sync with desktop

configs/hypr/hyprland.conf

@@ -16,6 +16,7 @@ env=XDG_CURRENT_DESKTOP,Hyprland
 env=XDG_SESSION_TYPE,wayland
 env=XDG_SESSION_DESKTOP,Hyprland
 env=QT_QPA_PLATFORM,wayland
+env=QT_QPA_PLATFORMTHEME,qt6ct
 env=XCURSOR_THEME,Bibata-Modern-Ice
 env=XCURSOR_SIZE,24
 
@@ -166,7 +167,7 @@ $ws          = workspace
   windowrule = $ws $ws_web,       class:^(brave-browser)$
   windowrule = $ws $ws_music,     class:^(Spotify)$
   windowrule = $ws $ws_chat,      class:^(discord)$
-  windowrule = $ws $ws_chat,      class:^(Signal)$
+  windowrule = $ws $ws_chat,      class:^(signal)$, title:^(Signal)$
   windowrule = $ws $ws_video,     class:^(.*obs.*)$
   windowrule = $ws $ws_game,      title:^(Minecraft)$