fix(street-level): four regressions from the merge review

- The selected sequence is drawn past the per-tile caps again, and its
  highlight takes every loaded part, drawn or not: in a dense tile a
  clicked Mapillary or Panoramax line kept its cones but lost its line.
- photoViewer tries :fullscreen and :popover-open one at a time, each in
  its own try: Safari before 16.4 parses neither, and the fallback threw
  on every flat KartaView or Panoramax photo.
- A lit Street View off Google 3D says it needs the Google 3D map again,
  instead of "every provider is switched off".
- Chips carry their provider colour again (--chip-color, as on main).

Each comes with the test that reproduced it.

Co-Authored-By: Claude Opus 5.5 <[email protected]>

src/ui/streetLevelPresentation.js

@@ -232,9 +232,12 @@ function presentMeta(state) {
   const providers = state.providers || [];
   if (providers.length === 0) return translateHint(state.coverage.hint);
   if (!state.enabled) return t('Switch Street Level on to draw its coverage.');
+  // A lit source that cannot run on this map is not listed: the core's hint
+  // says which map it needs.
   if (!providers.some((p) => p.on))
-    return t(
-      'Every provider is switched off: light a chip to draw its coverage.',
+    return (
+      translateHint(state.coverage.hint) ||
+      t('Every provider is switched off: light a chip to draw its coverage.')
     );
   // Key-gated with another source ready: say how to use it.
   if (state.keyRequired && state.keyAlternatives?.length)