fix: correctly restore _original #1315

# to view logs

Job	Run time
Build & Test / Build & Test	1m 12s
Prepare environment	9s
Bench text_update / Bench text_update	1m 39s
Bench 02_replace1k / Bench 02_replace1k	3m 53s
Bench many_updates / Bench many_updates	3m 34s
Bench todo / Bench todo	1m 55s
Bench 03_update10th1k_x16 / Bench 03_update10th1k_x16	2m 39s
Bench 07_create10k / Bench 07_create10k	4m 13s
Bench hydrate1k / Bench hydrate1k	3m 4s
Bench filter_list / Bench filter_list	2m 5s
	24m 23s

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