fix(nix): use set +e to handle SIGABRT from Nx crash

Signal handling in bash requires set +e to prevent errexit
from terminating the script when a process is killed by SIGABRT.

nix/mkViteApp.nix

@@ -28,7 +28,10 @@ pkgs.buildNpmPackage {
     export NX_NATIVE=false
     ${pkgs.lib.concatStringsSep "\n" (pkgs.lib.mapAttrsToList (k: v: "export ${k}=\"${v}\"") envVars)}
     # Run nx build, ignore terminal crash after successful build
-    ./node_modules/.bin/nx build ${name} --output-style=static || true
+    # Disable errexit to handle SIGABRT from Nx terminal crash
+    set +e
+    ./node_modules/.bin/nx build ${name} --output-style=static
+    set -e
     # Verify the build output exists
     test -d dist/apps/${name}
     runHook postBuild