feat(core): add `if_not_exist` in `OpWrite` #2009

Job	Run time
check_clippy	3m 55s
check_docs	4m 0s
check_msrv	32s
build_all_features	5m 7s
build_all_platforms (ubuntu-latest)	2m 50s
build_all_platforms (macos-latest)	2m 37s
build_all_platforms (windows-latest)	6m 43s
build_default_features (ubuntu-latest)	36s
build_under_wasm	42s
build_default_features (macos-latest)	50s
build_default_features (windows-latest)	1m 55s
unit	6m 55s
	36m 42s

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