Add curl installation check to wsssh-tools hook

- Added curl installation check before downloading wsssh-tools
- Simplified download logic to use curl directly
- This ensures the download tool is available during hook execution

config/hooks/live/9981-install-wsssh-tools.hook.chroot

+#!/bin/bash
+# Install wsssh-tools .deb package after main packages are installed
+
+set -e
+
+echo "Installing wsssh-tools .deb package..."
+
+# Install curl if not available
+if ! command -v curl >/dev/null 2>&1; then
+    echo "Installing curl for downloading..."
+    apt-get update
+    apt-get install -y curl
+fi
+
+# Download wsssh-tools .deb package
+WSSSHTOOLS_DEB="wsssh-tools_1.0.0-1_amd64.deb"
+WSSSHTOOLS_URL="http://danex.nexlab.it/wsssh-tools_1.0.0-1_amd64.deb"
+
+echo "Downloading wsssh-tools from $WSSSHTOOLS_URL..."
+curl -s -L -o "$WSSSHTOOLS_DEB" "$WSSSHTOOLS_URL"
+
+# Verify download
+if [ ! -f "$WSSSHTOOLS_DEB" ]; then
+    echo "Error: Failed to download RustDesk .deb package"
+    exit 1
+fi
+
+WSSSH_DEB=$WSSSHTOOLS_DEB
+
+# Install dependencies first
+echo "Installing dependencies for wsssh-tools..."
+apt-get update
+apt-get install -y libc6 libssl3t64 openssl
+
+# Install wsssh-tools .deb package
+echo "Installing wsssh-tools .deb package..."
+dpkg -i "$WSSSH_DEB"
+
+# Clean up
+rm -f "$TARGET_DEB"
+
+echo "wsssh-tools installation completed successfully"