Merge Core main into denis/gev-satellite-classes

# Conflicts:
#	scripts/package-boundaries.json
#	src/i18n/locales/ar.json
#	src/i18n/locales/de.json
#	src/i18n/locales/es.json
#	src/i18n/locales/fr.json
#	src/i18n/locales/it.json
#	src/i18n/locales/ja.json
#	src/i18n/locales/pt.json
#	src/i18n/locales/ru.json
#	src/i18n/locales/uk.json
#	src/i18n/locales/zh-CN.json
#	src/i18n/locales/zh-Hant.json
#	src/layers/satellites/ingestion.test.mjs
#	src/layers/satellites/lifecycle.js
#	src/layers/satellites/state.js

changelog.d/1512-world-clock-timeline.md

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+- One world clock now drives everything with a time of its own: the sky,
+  the HUD clock, satellites, launches and weather. A timeline along the
+  bottom of the screen, shown while one of those layers is on, plays, pauses
+  and scrubs it, with a tick for each launch or frame and a way back to
+  live. Share links made away from live carry the time (samehkhamis, #1512).

changelog.d/1513-timeline-launches-speed-buffering.md

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+- The timeline brings launches up as the time passes them, offers play
+  speeds from real time to a week a second, and plays smoothly, holding only
+  when the next weather frame has yet to load, with a spinner by the time
+  while it waits. The time rides in a bubble over the handle. The track zooms
+  with a scroll or a pinch, drags along, and goes to the time under a tap, on
+  a phone as on a desktop. Zooming out on the globe stops while the globe is
+  still in view instead of leaving it a speck (samehkhamis, #1513).

changelog.d/1634-layer-state-registered-only.md

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+- An application built with fewer layers no longer restores, saves or shares a
+  layer it does not have when a link or saved state from a full build names it
+  (samehkhamis, #1634).