Fix: Re-run verified installer inputs

setup/scripts/link-vicinae-scripts

@@ -81,7 +81,7 @@ if [[ -d "$extensions_source" ]] && command -v npm >/dev/null 2>&1; then
         [[ -f "$extension/package.json" ]] || continue
         name="$(basename "$extension")"
 
-        # Skip a build that would produce what is already there. `npm install`
+        # Skip a build that would produce what is already there. `npm ci`
         # alone takes long enough to be worth not repeating on every re-run of
         # a stage that is otherwise nearly instant.
         built="$vicinae_data_dir/extensions/$name"
@@ -91,7 +91,7 @@ if [[ -d "$extensions_source" ]] && command -v npm >/dev/null 2>&1; then
         fi
 
         printf 'Building Vicinae extension %s\n' "$name"
-        if ! (cd "$extension" && npm install --silent >/dev/null 2>&1 && npm run build >/dev/null 2>&1); then
+        if ! (cd "$extension" && npm ci --silent >/dev/null 2>&1 && npm run build >/dev/null 2>&1); then
             printf 'Vicinae extension %s did not build; skipping\n' "$name" >&2
         fi
     done