Enable visualRefresh on all sample maps

[manz]

Issue

N/A

Describe your changes

Opt every sample map into the refreshed basemap styles by passing visualRefresh: true in the MapOptions of each woosmap.map.Map instantiation (58 samples, 59 call sites — map-external-layer builds two maps). stores-search and stores-list-sync-map share a mapOptions const, so the flag is set there.

Widget-driven samples (store-locator-widget*, localities-js-widget*, indoor-widget-* conf blocks) expose no MapOptions, so they keep the widget default. The indoor-* samples that build their own Map are covered.

The flag is transitional — it disappears once the refreshed styles become the default, at which point this diff can be reverted wholesale.

How to test

1. npm start, open http://localhost:8080/
2. Open any sample's live frame, e.g. http://localhost:8080/samples/add-map/iframe/ — basemap should render with the refreshed styles.
3. Check styled samples still honour their own styles array: map-style-night, map-style-retro, map-style-lightgrey, map-clustering-stores.
4. Check map-type-hybrid satellite/hybrid switching is unaffected.

Checklist:

• My code follows the style guidelines for this repo
• My code passes the SonarCloud check and does not add new code smells
• I have performed a self-review of my code
• My changes generate no new warnings/errors
• I have added tests that prove my fix is effective or that my feature works
• I don't require ops changes for this PR to go to prod
• This change does not include a migration

Documentation

Docs snippets are generated from these samples — published examples will show visualRefresh: true. Confirm that's wanted before the flag ships as default.

Libs/SDKs

N/A

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[manz]

This is likely to be useless to do that switch unless the plan of making it the default falls flat