[core] Handle missing snapshots in branch time travel - #10860

[core] Handle missing snapshots in branch time travel#10860

LsomeYeah wants to merge 4 commits into

apache:masterapache/paimon:masterfrom

LsomeYeah:codex/fix-fallback-empty-time-travelLsomeYeah/paimon:codex/fix-fallback-empty-time-travelCopy head branch name to clipboard