Merge branch 'main' into fix/kartaview-impossible-timestamps

changelog.d/1278-overpass-issue-fix.md

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+- Reserve singleflight before disk cache reads (asturksever, #1278).

changelog.d/1279-launch-issue-fix.md

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+- Throttle mission hover picks with a trailing check for the last pointer position, and clear stale cursors (asturksever, #1279).

changelog.d/1342-firms-acquisition-calendar.md

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+- Keep an impossible wildfire acquisition date off the detection clock, so a
+  fire is not labeled with a later day it did not happen
+  (Rudy Celekli, @rudycelekli, #1342).