fix missing clear commands

scripts/image-builder.sh

@@ -96,6 +96,7 @@ get_builder_status() {
 # Abhaengigkeiten installieren
 install_dependencies() {
   dialog --msgbox "Installation von Abhaengigkeiten (Beispiel fuer Debian/Ubuntu). Bitte root-Rechte eingeben." 10 70
+  clear
   sudo apt update
   sudo apt install -y docker.io git jq dialog micro
 }
@@ -111,6 +112,7 @@ install_docker_and_buildx() {
   # Pruefen ob Buildx verfuegbar ist
   if ! docker buildx version >/dev/null 2>&1; then
     dialog --msgbox "Docker Buildx-Plugin fehlt! Installiere Buildx..." 10 70
+    clear
     mkdir -p ~/.docker/cli-plugins
     BUILDX_URL="https://github.com/docker/buildx/releases/latest/download/buildx-$(uname -s)-$(uname -m)"
     curl -sSL "$BUILDX_URL" -o ~/.docker/cli-plugins/docker-buildx
@@ -120,6 +122,7 @@ install_docker_and_buildx() {
   # Pruefen, ob multiarch-builder existiert
   if ! docker buildx ls | grep -q "multiarch-builder"; then
     dialog --msgbox "Richte Buildx-Builder 'multiarch-builder' ein..." 10 70
+    clear
     docker run --rm --privileged tonistiigi/binfmt --install all
     docker buildx create --name multiarch-builder --use
     docker buildx inspect --bootstrap >/dev/null 2>&1
@@ -164,6 +167,7 @@ set_editor() {
         --yesno "Der Editor '$choice' ist nicht installiert. Moechten Sie ihn jetzt installieren?" 10 60 3>&1 1>&2 2>&3)
       if [[ $? -eq 0 ]]; then
         dialog --msgbox "Installation von ${editor_pkg[$choice]}..." 8 50
+        clear
         sudo apt update
         sudo apt install -y "${editor_pkg[$choice]}"
 
@@ -651,6 +655,7 @@ build_image() {
   local timestamp logfile
   timestamp=$(date +"%Y%m%d_%H%M%S")
   logfile="$LOGS_DIR/${project}_${timestamp}.log"
+  clear
 
   {
     echo "==== Build gestartet: $(date) ===="