As part of WT-12535 obsolete check optimization, we are unnecessarily setting the obsolete check timestamp and transaction IDs even if there are obsolete updates present. This unnecessarily slows down the obsolete update check flow to verify whether the timestamp/txnid has moved ahead before performing the obsolete check.
Avoid setting the obsolete check timestamp/txnid when there are obsolete updates.
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WT-15488 test_verify.py fails with mismatch in page IDs from PALM and btree walk
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WT-15715 Remove outdated FIXME for WT-15488
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WT-12535 Optimize time spent in __wt_update_obsolete_check()
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WT-15628 Add test/format tasks with PALite to Evergreen
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WT-14880 Add test to ensure page split does not generate delta
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