double-trigger check when using de gnome replaced with a 150 millisecond ignore (eterbug 17898)

service/bin/ximper-unified-theme-switcher-service

@@ -113,25 +113,20 @@ main() {
                 ;;
         esac
 
-        if [ "$GNOME_DE" = True ] ; then
-            local COUNT=0
-        fi
-
         dbus-monitor "interface='org.freedesktop.portal.Settings',member=SettingChanged" | \
         while IFS= read -r LINE; do
             local THEME
+            local CURRENT_TIME
+            local LAST_UPDATE
+            
             THEME=$(echo "$LINE" | grep -E -o 'string "(prefer-dark|default)"')
-        
+            
             if [ -n "$THEME" ]; then
+                # Текущее время в миллисекундах
+                CURRENT_TIME=$(date +%s%3N)
                 
-                if [ "$GNOME_DE" = True ] ; then
-                    ((COUNT++))
-                    if [ $(($COUNT % 2)) = 0 ]; then
-                        echo "$THEME"
-                        check_and_update_themes
-                        COUNT=0
-                    fi
-                else
+                if [ -z "$LAST_UPDATE" ] || [ $((CURRENT_TIME - LAST_UPDATE)) -ge 150 ]; then
+                    LAST_UPDATE=$CURRENT_TIME
                     echo "$THEME"
                     check_and_update_themes
                 fi