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fix: preserve legacy path bytes and repair tag, tree and ref edge cases #3092

Job	Run time
install/import (ubuntu-latest, 3.9)	17s
install/import (ubuntu-latest, 3.10)	11s
install/import (windows-latest, 3.9)	56s
install/import (windows-latest, 3.8)	1m 8s
install/import (macos-latest, 3.9)	44s
test (ubuntu, 3.14t)	4m 45s
install/import (windows-latest, 3.10)	1m 20s
install/import (ubuntu-latest, 3.8)	17s
install/import (macos-latest, 3.8)	1m 1s
install/import (macos-latest, 3.10)	35s
test (ubuntu, 3.13)	5m 21s
test (windows, 3.14)	39m 3s
test (windows, 3.13)	36m 32s
test (windows, 3.11)	36m 1s
test (macos, 3.14)	7m 49s
test (macos, 3.12, gix)	8m 19s
test (windows, 3.15t)	27m 37s
test (windows, 3.12)	39m 13s
test (windows, 3.15)	37m 18s
test (macos, 3.12)	12m 33s
test (macos, 3.13)	12m 8s
test (ubuntu, 3.12)	3m 58s
test (ubuntu, 3.15t)	5m 3s
test (ubuntu, 3.14)	4m 27s
test (windows, 3.14t)	38m 25s
test (ubuntu, 3.12, gix)	3m 51s
test (macos, 3.15)	13m 50s
test (macos, 3.11)	9m 54s
test (ubuntu, 3.11)	4m 11s
test (windows, 3.12, gix)	34m 20s
test (ubuntu, 3.15)	4m 12s
	6h 35m 19s