fix(globe): the cinematic look's atmosphere scale, warm-up and sunset clouds

- The takram uniform paths move to internals.js (forEachLuminanceUniform,
  loud in dev when a path is gone); look.js sets each factor to scale x
  the recorded base value, so shared or copied vectors are never scaled
  twice, and the stars keep the base value (own vector when shared).
  Stars at intensity 120: a starfield shows from space.
- Both night-side shader variants compile on the first two frames.
- The clouds hide once the sun sets at the camera (dark puffs at dusk).
- No allocation on look frames that change nothing (frozen updates, a
  scratch camera place from livePosition).
Gallery regenerated.

scripts/package-boundaries.json

@@ -1760,7 +1760,6 @@
       "src/globe/cesium/render.js",
       "src/globe/cesium/surface.js",
       "src/globe/cesium/engineFromViewer.js",
-      "src/globe/navara/atmosphereLuminance.js",
       "src/globe/navara/cameraMath.js",
       "src/globe/navara/cameraModel.js",
       "src/globe/navara/createNavaraEngine.js",