[Storage] Improve how GetFile handles paths #13908

Job	Run time
check_and_prepare	31s
build-desktop-windows-latest-x64-openssl	8m 22s
build-desktop-ubuntu-22.04-x64-openssl	3m 18s
build-tvos-macos-14	15m 20s
build-android-windows-latest	15m 8s
build-android-ubuntu-22.04	7m 31s
build-ios-macos-14	22m 27s
build-android-macos-14	14m 0s
test-desktop-windows-latest-x64-openssl	6m 7s
test-desktop-ubuntu-22.04-x64-openssl	2m 40s
test-android-macos-14-android_target-gameloop	3m 35s
test-android-ubuntu-22.04-android_target-gameloop	4m 55s
test-android-windows-latest-android_target-gameloop	3m 54s
test-android-windows-latest-emulator_ftl_target-gameloop	3m 48s
test-android-ubuntu-22.04-emulator_ftl_target-gameloop	6m 39s
test-android-macos-14-emulator_ftl_target-gameloop	5m 19s
test-tvos-macos-14-tvos_simulator	4m 13s
test-ios-macos-14-ios_target-gameloop	1m 54s
test-ios-macos-14-simulator_target-gameloop	6m 53s
summarize-results	18s
attempt-retry	-1s
	2h 16m 51s

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