fix(samples): update legacy region tags in CSS to advanced tags

[ejhaselden]

No description provided.

[snippet-bot]

Here is the summary of changes.

You are about to add 4 region tags.

• samples/ui-kit-advanced-place-details-compact/style.css:6, tag maps_ui_kit_advanced_place_details_compact
• samples/ui-kit-advanced-place-details/style.css:6, tag maps_ui_kit_advanced_place_details
• samples/ui-kit-advanced-place-search-nearby/style.css:6, tag maps_ui_kit_advanced_place_search_nearby
• samples/ui-kit-advanced-place-search-text/style.css:6, tag maps_ui_kit_advanced_place_search_text

You are about to delete 4 region tags.

• samples/ui-kit-advanced-place-details-compact/style.css:6, tag maps_ui_kit_place_details_compact
• samples/ui-kit-advanced-place-details/style.css:6, tag maps_ui_kit_place_details
• samples/ui-kit-advanced-place-search-nearby/style.css:6, tag maps_ui_kit_place_search_nearby
• samples/ui-kit-advanced-place-search-text/style.css:6, tag maps_ui_kit_place_search_text

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