fix(ci): align Node v22.22.3 pins and unblock pre-push tests

Sync install scripts and CI container image with NODE_VERSION, regenerate
Electron Config.html, and skip gitignored portable/app in origin scan.

Co-authored-by: Cursor <cursoragent@cursor.com>

bootable/linux-setup/test-installation.sh

@@ -59,8 +59,8 @@ if [ -x "$NODE_BIN" ]; then
     NODE_VERSION=$("$NODE_BIN" --version 2>/dev/null || echo "")
     echo -e "[OK] Node.js ${GREEN}$NODE_VERSION${NC}"
     
-    if [ "$NODE_VERSION" != "v22.22.1" ]; then
-        warn "Node.js version" "Expected v22.22.1, found $NODE_VERSION"
+    if [ "$NODE_VERSION" != "v22.22.3" ]; then
+        warn "Node.js version" "Expected v22.22.3, found $NODE_VERSION"
     fi
 else
     echo -e "${RED}[!!] Node.js is missing or will not run${NC}"