refactor(hyprland): window opacity to dimming

Change made because it makes it easier to read non-active tabs for
multimonitor

config/hypr/hyprland.conf

@@ -59,7 +59,8 @@ decoration {
 
   # Other
   rounding=15
-  inactive_opacity=.8
+  dim_inactive=true
+  dim_strength=.2
   fullscreen_opacity=1 multiplier
 }