✨ feat: add user face to control center if available

also improved quickactions hostname widget and removed unnecessary stylesheet

resources/styles/_center-window.scss

@@ -35,44 +35,6 @@
       }
     }
 
-    & .player-select {
-      @include mixins.button-reactive-secondary;
-
-      border-radius: 14px;
-
-      & revealer label {
-        margin-left: 4px;
-      }
-
-      margin-right: 2px;
-      margin-bottom: 2px;
-
-      image.arrow {
-        -gtk-icon-size: 12px;
-        margin-left: 6px;
-        margin-top: 1px;
-      }
-    }
-
-    & popover contents {
-      background: colors.$bg-primary;
-      border-radius: 16px;
-      padding: 4px;
-
-      & button {
-        padding: 6px;
-        border-radius: 12px;
-
-        & image {
-          margin-right: 4px;
-        }
-
-        &:hover {
-          background: colors.$bg-secondary;
-        }
-      }
-    }
-
     & slider {
       all: unset;
       opacity: 0;